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LU9DCE > NEWS 19.03.26 10:34l 277 Lines 10249 Bytes #60 (0) @ WW
BID : 9550_LU9DCE
Read: GUEST
Subj: STORM PREDICTION CENTER 19-MAR
Path: ED1ZAC<ED1ZAC<GB7CIP<GB7YEW<LU9DCE
Sent: 260319/0915Z 9550@LU9DCE.TOR.BA.ARG.SOAM LinBPQ6.0.25
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PACKET RADIO STATION - BUENOS AIRES (GF05OM)
PYTHON SCHEDULED NEWSLETTERS (PSN)
COPYRIGHT 2026 - EDUARDO A. CASTILLO
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SPC - NO WATCHES ARE VALID AS OF THU MAR 19 07:06:02 UTC 2026
NO WATCHES ARE VALID AS OF THU MAR 19 07:06:02 UTC 2026.
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SPC - NO MDS ARE IN EFFECT AS OF THU MAR 19 07:06:02 UTC 2026
NO MESOSCALE DISCUSSIONS ARE IN EFFECT AS OF THU MAR 19 07:06:02 UTC
2026.
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SPC MAR 19, 2026 0600 UTC DAY 1 CONVECTIVE OUTLOOK
SPC 1200Z DAY 1 OUTLOOK
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1247 AM CDT THU MAR 19 2026
VALID 191200Z - 201200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
SEVERE THUNDERSTORMS ARE NOT FORECAST ACROSS THE U.S. TODAY OR
TONIGHT.
...DISCUSSION...
AN UPPER-LEVEL RIDGE WILL BE LOCATED IN THE WESTERN U.S. TODAY, AS
NORTHWESTERLY MID-LEVEL FLOW REMAINS OVER MOST OF THE CENTRAL AND
EASTERN U.S. AT THE SURFACE, A DRY AIRMASS WILL BE IN PLACE OVER
MOST OF THE NATION. ONE EXCEPTION IS OVER THE EASTERN COAST OF SOUTH
FLORIDA, WHERE ENOUGH MOISTURE AND INSTABILITY MAY BE IN PLACE FOR
ISOLATED THUNDERSTORMS LATE TONIGHT. NO SEVERE THREAT IS FORECAST
ACROSS THE U.S. TODAY AND TONIGHT.
..BROYLES/CHALMERS.. 03/19/2026
READ MORE
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SPC MAR 19, 2026 0600 UTC DAY 2 CONVECTIVE OUTLOOK
SPC 0600Z DAY 2 OUTLOOK
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1226 AM CDT THU MAR 19 2026
VALID 201200Z - 211200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
A LOW CHANCE OF A FEW THUNDERSTORMS MAY DEVELOP ON FRIDAY NEAR THE
UPPER OHIO VALLEY AND VICINITY, AND ALSO NEAR THE SOUTHEAST FLORIDA
COAST.
...SYNOPSIS...
AN UPPER RIDGE WILL REMAIN OVER THE SOUTHWEST ON FRIDAY, WITH STRONG
NORTHWEST FLOW ALOFT ALONG THE CANADIAN BORDER. A LOW-AMPLITUDE
UPPER WAVE WILL MOVE FROM NORTHERN MN ACROSS THE UPPER GREAT LAKES
LATE IN THE DAY AND OVERNIGHT, WITH A WEAK SURFACE LOW MOVING FROM
THE GREAT LAKES INTO THE NORTHEAST. A COLD FRONT WILL EXTEND FROM
SOUTHWEST ONTARIO INTO MO BY 18Z, WITH SOUTHWESTERLY SURFACE WINDS
HELPING TO BRING A PLUME OF LOW TO MID 50S F DEWPOINTS AS FAR NORTH
AS OH AND WESTERN PA.
MARGINAL LOW-LEVEL MOISTENING AND DAYTIME HEATING WILL LEAD TO WEAK
INSTABILITY, WHICH MAY SUPPORT ISOLATED THUNDERSTORMS DEVELOPING
WITHIN THE WARM ADVECTION ZONE INTO THE UPPER OH VALLEY AND
VICINITY. SEVERE STORMS ARE NOT FORECAST DUE TO THE WEAK
INSTABILITY, HOWEVER, VEERING WINDS WITH HEIGHT AND GOOD DEEP-LAYER
SHEAR WILL SUPPORT CELLULAR ACTIVITY, PERHAPS WITH VERY
SMALL/NON-SEVERE HAIL.
ELSEWHERE, THE TAIL-END OF THE WESTERN ATLANTIC TROUGH WILL MAINTAIN
COOL TEMPERATURES ALOFT OVER FL. THIS WILL SUPPORT AFTERNOON
DESTABILIZATION, WITH ISOLATED ACTIVITY NEAR THE EASTERN SHORES
WHERE LOCALIZED SURFACE CONVERGENCE MAY DEVELOP.
..JEWELL.. 03/19/2026
READ MORE
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SPC MAR 19, 2026 0730 UTC DAY 3 SEVERE THUNDERSTORM OUTLOOK
SPC 0730Z DAY 3 OUTLOOK
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1229 AM CDT THU MAR 19 2026
VALID 211200Z - 221200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
ISOLATED GENERAL THUNDERSTORMS ARE POSSIBLE SATURDAY OVER THE
TENNESSEE VALLEY TO SOUTHERN APPALACHIANS.
...SYNOPSIS...
A SHORTWAVE TROUGH WILL EXIT THE NORTHEAST ON SATURDAY, WITH A LOBE
OF COOL AIR ALOFT EXTENDING SOUTHWESTWARD FROM THE TN VALLEY INTO
THE SOUTHEAST. MEANWHILE, AN UPPER HIGH WILL REMAIN SITUATED OVER
AZ/NM AND INTO THE SOUTHERN PLAINS.
AT THE SURFACE, A WEAK TROUGH IS FORECAST FROM THE MID ATLANTIC INTO
THE TN VALLEY, WITH SURFACE DEWPOINTS IN THE 50S TO LOWER 60S F.
WHILE LIFT WILL BE MINIMAL, DAYTIME HEATING AND SUFFICIENT
INSTABILITY MAY SUPPORT ISOLATED THUNDERSTORMS IN ASSOCIATION WITH
THE SUBTLE SOUTHERN WAVE. SEVERE WEATHER APPEARS UNLIKELY GIVEN WEAK
LIFT AND MARGINAL SHEAR/INSTABILITY.
..JEWELL.. 03/19/2026
READ MORE
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SPC DAY 1 FIRE WEATHER OUTLOOK
SPC DAY 1 FIRE WEATHER OUTLOOK
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0125 AM CDT THU MAR 19 2026
VALID 191200Z - 201200Z
...CRITICAL FIRE WEATHER AREA FOR CENTRAL AND EASTERN WYOMING...
...SYNOPSIS...
UPPER-LEVEL RIDING WILL PERSIST ACROSS THE SOUTHWEST WITH STRONG
NORTHWESTERLY UPPER-LEVEL FLOW REMAINING IN PLACE ACROSS THE
NORTHERN ROCKIES AND CENTRAL CONUS. THIS WILL SUPPORT A CONTINUED
DOWNSLOPE REGIME ACROSS THE CENTRAL/NORTHERN HIGH PLAINS AND WESTERN
WYOMING BASIN, WITH ELEVATED TO CRITICAL FIRE WEATHER CONDITIONS
EXPECTED AMID STRONG WEST-NORTHWEST SURFACE WINDS AND VERY LOW RH
VALUES. ELSEWHERE, STRONG SURFACE WINDS AND REDUCED RH ARE EXPECTED
TO YIELD ELEVATED FIRE WEATHER CONDITIONS ACROSS PORTIONS OF
CENTRAL/SOUTHERN OREGON.
...CENTRAL/NORTHERN HIGH PLAINS...
ANOMALOUSLY STRONG UPPER-LEVEL RIDGING WILL PERSIST ACROSS THE
SOUTHWEST TODAY WITH STRONG UPPER-LEVEL NORTHWESTERLY FLOW IN PLACE
ACROSS THE CENTRAL/NORTHERN ROCKIES. AT THE SURFACE, HIGH PRESSURE
ACROSS THE INTERMOUNTAIN WEST WILL COMBINE WITH A LOW PRESSURE
SYSTEM SHIFTING SOUTHEASTWARD ACROSS THE CANADIAN PRAIRIES TO
SUPPORT WEST-NORTHWESTERLY DOWNSLOPE WINDS OF 20-25 MPH AND REDUCED
RH VALUES OF 10-15% ACROSS PORTIONS OF CENTRAL AND EASTERN WYOMING.
WITH PERSISTENT DRY/WINDY CONDITIONS CONTINUING TO AID IN THE
MAINTENANCE OF RECEPTIVE FUELS, THESE CONDITIONS ARE EXPECTED TO
SUPPORT CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON. WHILE THE
STRONGEST LOW-TO-MID LEVEL FLOW IS FORECAST TO BE DISPLACED FARTHER
NORTH, DEEP BOUNDARY LAYER MIXING MAY STILL SUPPORT OCCASIONAL WIND
GUSTS TO 30-35 MPH ACROSS THIS AREA.
ELEVATED FIRE WEATHER CONCERNS ARE ALSO EXPECTED ACROSS ADJACENT
REGIONS, INCLUDING MUCH OF THE WYOMING BASIN EASTWARD INTO PORTIONS
OF NORTHERN COLORADO, SOUTHWESTERN SOUTH DAKOTA, AND NORTHEASTERN
NEBRASKA WHERE SUSTAINED WESTERLY SURFACE WINDS OF 15-20 MPH AND
REDUCED RH OF 10-15% ARE FORECAST AMID THE DOWNSLOPE WIND REGIME.
ELEVATED HIGHLIGHTS HAVE ALSO BEEN EXPANDED FARTHER NORTH AND EAST
INTO MUCH OF SOUTHERN MONTANA GIVEN SIMILAR FORECAST METEOROLOGICAL
CONDITIONS AND RECENT WILDFIRE ACTIVITY NOTED IN THE REGION.
...OREGON...
JUST WEST OF THE UPPER-LEVEL RIDGE AXIS, A STRENGTHENING SURFACE
PRESSURE GRADIENT IS FORECAST TO YIELD WEST-SOUTHWESTERLY SUSTAINED
SURFACE WINDS OF 10-20 MPH WITH RH VALUES FALLING TO 10-20% THIS
AFTERNOON ACROSS PORTIONS OF CENTRAL AND SOUTHEASTERN OREGON WITH
TEMPERATURES FORECAST WELL ABOVE NORMAL. THIS COMBINATION OF HOT,
DRY, AND WINDY CONDITIONS IS EXPECTED TO SUPPORT ELEVATED FIRE
WEATHER CONCERNS PRIOR TO GREEN UP.
...EASTERN IDAHO...
LATEST HIGH-RES GUIDANCE DEPICTS SUSTAINED WESTERLY TO SOUTHWESTERLY
SURFACE WINDS OF 10-20 MPH DEVELOPING WITHIN THE SNAKE RIVER VALLEY
THROUGH TODAY AMID A TIGHTENING SURFACE PRESSURE GRADIENT. WHILE RH
VALUES ARE FORECAST TO DROP TO 15-25%, MARGINAL FUEL RECEPTIVENESS
IS EXPECTED TO PRECLUDE WIDESPREAD FIRE WEATHER CONCERNS.
..CHALMERS.. 03/19/2026
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
READ MORE
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SPC DAY 2 FIRE WEATHER OUTLOOK
SPC DAY 2 FIRE WEATHER OUTLOOK
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0204 AM CDT THU MAR 19 2026
VALID 201200Z - 211200Z
...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF CENTRAL AND EASTERN
WYOMING...
...SYNOPSIS...
A PERSISTENT UPPER-LEVEL RIDGE WILL REMAIN CENTERED OVER THE
SOUTHWEST ON D2/FRIDAY, WITH MODEST NORTHWEST FLOW ALOFT PERSISTING
ACROSS THE CENTRAL/NORTHERN HIGH PLAINS. SURFACE HIGH PRESSURE OVER
THE INTERMOUNTAIN WEST COUPLED WITH LEE TROUGHING ACROSS THE
NORTHERN PLAINS WILL SUPPORT A CONTINUED DOWNSLOPE WIND REGIME, WITH
DRY/WINDY CONDITIONS FORECAST TO YIELD ELEVATED TO CRITICAL FIRE
WEATHER CONCERNS ACROSS PORTIONS OF THE CENTRAL AND NORTHERN HIGH
PLAINS.
...CENTRAL/NORTHERN HIGH PLAINS...
ANOMALOUSLY STRONG UPPER-LEVEL RIDGING ACROSS THE SOUTHWEST WILL
CONTINUE TO SUPPORT THE POTENTIAL FOR RECORD WARM TEMPERATURES
ACROSS MUCH OF THE WEST. WITH HIGH PRESSURE REMAINING POSITIONED
ACROSS THE INTERMOUNTAIN WEST AND LEE TROUGHING IN PLACE ACROSS THE
NORTHERN GREAT PLAINS, A PERSISTENT DOWNSLOPE WIND REGIME IS
FORECAST TO YIELD SUSTAINED WEST-NORTHWESTERLY SURFACE WINDS OF
15-25 MPH ACROSS MUCH OF THE CENTRAL/NORTHERN HIGH PLAINS. COUPLED
WITH REDUCED RH VALUES OF 10-15% AND RECEPTIVE FUELS, THIS WILL
SUPPORT CRITICAL FIRE WEATHER CONDITIONS ACROSS PORTIONS OF
CENTRAL/EASTERN WYOMING. ELEVATED FIRE WEATHER CONCERNS ARE FORECAST
ACROSS ADJACENT AREAS OF THE WESTERN WYOMING BASIN AND PORTIONS OF
SOUTHWESTERN SOUTH DAKOTA AND WESTERN NEBRASKA WHERE LIGHTER SURFACE
WINDS OF 15-20 MPH ARE FORECAST TO OVERLAP REDUCED MINIMUM RH VALUES
OF 10-15%. FARTHER NORTH ACROSS MUCH OF SOUTHERN MONTANA, RH VALUES
ARE EXPECTED TO REMAIN MORE MARGINAL (15-25%); HOWEVER, ONGOING FIRE
ACTIVITY AND SUSTAINED WESTERLY SURFACE WINDS OF 15-25 MPH WARRANT
THE ADDITION OF ELEVATED FIRE WEATHER HIGHLIGHTS.
...OREGON...
SOME GUIDANCE INDICATES WESTERLY SURFACE WINDS WILL STRENGTHEN AMID
A TIGHTENING SURFACE PRESSURE GRADIENT AHEAD OF AN APPROACHING COLD
FRONT THROUGH D2/FRIDAY. CONTINUED DRY/WINDY CONDITIONS MAY SUPPORT
LOCALIZED ELEVATED FIRE WEATHER CONCERNS, BUT REMAINING UNCERTAINTY
REGARDING THE STRENGTH AND DURATION OF STRONGER WINDS AS WELL AS HOW
LOW RH WILL FALL IN THE AFTERNOON PRECLUDES THE INCLUSION OF
ELEVATED FIRE WEATHER HIGHLIGHTS AT THIS TIME. CONDITIONS WILL
CONTINUE TO BE MONITORED FOR FUTURE UPDATES.
..CHALMERS.. 03/19/2026
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
READ MORE
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