Alert archive / Florida / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 90, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 24, 2001, 7:40 PM CDT for Escambia County, Florida. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Apr 24, 2001, 7:40 PM CDT (00:40 UTC)
- Expired
- Apr 24, 2001, 8:15 PM CDT
- In force
- 35 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Escambia County, FL
The radar
The Mobile radar (KMOB), 96 km from the middle of the area, began a volume at 00:41 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 0.7 hours before the alert went out and 229 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 456 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KMOB 250040 SVRMOB FLC033-250115- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 740 PM CDT TUE APR 24 2001 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ESCAMBIA COUNTY IN NORTHWEST FLORIDA * UNTIL 815 PM CDT * AT 740 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES WEST OF PENSACOLA PASS...MOVING NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... PENSACOLA PASS...FORT PICKENS BY 745 PM CDT WARRINGTON...PENSACOLA NAVAL BASE BY 755 PM CDT BROWNSVILLE...WEST PENSACOLA BY 800 PM CDT GOULDING...BRENT BY 805 PM CDT STRONG DAMAGING WIND...LARGE HAIL AND DEADLY LIGHTNING ARE LIKELY WITH THIS STORM. IF IN THE PATH OF THIS STORM...TAKE COVER IN A STURDY SHELTER UNTIL THE STORM HAS PASSED. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. LAT...LON 3035 8742 3021 8740 3035 8715 3052 8719
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Mobile, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 24, 2:03 PM CDT, 5 hours 37 minutes earlier.
Area forecast discussion, Apr 24, 2:03 PM CDT, 5 hours 37 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MOBILE AL 200 CDT TUE APR 24 2001 18Z SURFACE ANALYSIS SHOWING SURFACE COLD FRONT PARALLEL TO INTERSTATE-65 WHERE DEEP CONVECTION IS NOW OCCURRING. DIFFICULTIES FORECASTING FIRST PERIOD WILL BE COVERAGE AND DURATION OF PRECIPITATION AND OVERNIGHT LOWS. ALL MODELS PUSH FRONT SOUTH OF THE COASTLINE BY MIDNIGHT...BUT SHOWERS WILL LIKELY LINGER ALONG AND SOUTHEAST OF THE INTERSTATE PAST MIDNIGHT WHILE H85 FRONT ROLLS THROUGH. WILL BUMP UP POPS TO LIKELY ACROSS THIS AREA FOR TONIGHT...SCATTERED ELSEWHERE EXCEPT NORTHWEST CWA WHERE BULK OF PRECIPITATION SHOULD END LATE THIS AFTERNOON. ADJUSTMENTS WILL BE MADE PRIOR TO ISSUANCE TIME. CLEARING SKIES OVER NORTHWEST MISSISSIPPI SHOULD REACH THE NORTHWEST CWA JUST AFTER MIDNIGHT WHERE CAA AND SURFACE COOLING WILL BRING TEMPS DOWN TO BETWEEN 45 AND 50. ELSEWHERE...GRADUAL CLEARING OVERNIGHT FROM NORTHWEST TO SOUTHEAST WITH LOWS DIPPING INTO THE 50S. DRY NEXT TWO DAYS WITH MILD DAYS AND COOL NIGHTS...WILL FOLLOW CLOSE TO MAV GUIDANCE. ANOTHER EXTENDED PERIOD OF DRY WEATHER THROUGH THE WEEKEND WITH A CHANCE OF PRECIPITATION ENTERING THE FORECAST EARLY NEXT WEEK. MARITIMES...WIND BECOMING SW 10 TO 15 KNOTS TONIGHT THEN INCREASING TO N 15 TO 20 AND GUSTY AFTER MIDNIGHT AS THE FRONT MOVES THROUGH. WILL RAISE SCA AS NGM AND AVN ARE GOING FOR 20 TO 25 KT BY 12Z WED. ETA IS RUNNING 15 TO 20 BUT BEST TO RENDER TO THE MORE CAUTIOUS FORECAST. WILL ENCOURAGE EXERCISE OF CAUTION BY SMALL CRAFT OPERATORS IN ANTICIPATION OF SCA CONDITIONS JUST BEFORE SUNRISE. FIRE...RED FLAG WARNING IN EFFECT WEDNESDAY AFTERNOON FOR THE NORTHWEST FLORIDA PANHANDLE INCLUDING ESCAMBIA...SANTA ROSA...OKALOOSA AND COASTAL WALTON COUNTIES...DUE TO VERY LOW AFTERNOON RELATIVE HUMIDITIES AND GUSTY NORTH WINDS. /22 PRELIM NUMBERS... MOB UU 052/075 046/078 051 22500 PNS UU 054N/076 050/077 052 22700 DTS UU 058/076 056/077 057 22700 GZH UU 051/074 041/078 045 22400 2R0 UU 046/073 040/078 045 22000 61A UU 048/074 039/077 045 22300 .MOB... AL...NONE. FL...NONE. MS...NONE.
Nearby
Severe Thunderstorm Warnings in Florida, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.