Alert archive / Alabama / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 13, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Feb 11, 2009, 12:20 PM CST for Conecuh County, Escambia County, Alabama. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 11, 2009, 12:20 PM CST (18:20 UTC)
- Expired
- Feb 11, 2009, 1:00 PM CST
- In force
- 40 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Conecuh County, AL, Escambia County, AL
The radar
The Eglin Afb radar (KEVX), 128 km from the middle of the area, began a volume at 18:20 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
Birmingham, AL (KBMX), launched 12:00Z, 6.3 hours before the alert went out and 216 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
- 42 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 539 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 361 m²/s²
- 0-3 km storm-relative helicity
- 365 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 111820
SVRMOB
ALC035-053-111900-
/O.NEW.KMOB.SV.W.0013.090211T1820Z-090211T1900Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1220 PM CST WED FEB 11 2009
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
EASTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
THIS INCLUDES THE CITY OF BREWTON...
* UNTIL 100 PM CST
* AT 1217 PM CST...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING
WINDS OVER 60 MPH. THIS STORM WAS NEAR APPLETON...OR ABOUT 7 MILES
NORTHWEST OF BREWTON...MOVING NORTHEAST AT 50 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
KIRKLAND AND CASTLEBERRY BY 1225 PM CST...
NYMPH AND 8 MILES NORTHWEST OF BOYKIN BY 1230 PM CST...
JOHNSONVILLE BY 1235 PM CST...
PAUL AND 6 MILES NORTHWEST OF BROOKLYN BY 1240 PM CST...
IN ADDITION TO POSSIBLY LARGE HAIL AND DAMAGING WINDS...SOME CLOUD
TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
LAT...LON 3144 8682 3135 8670 3122 8671 3112 8701
3104 8726 3113 8730 3115 8728 3131 8713
TIME...MOT...LOC 1819Z 239DEG 57KT 3119 8712
$$3 follow-up statements
000
WWUS54 KMOB 111837
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1237 PM CST WED FEB 11 2009
ALC035-053-111900-
/O.CON.KMOB.SV.W.0013.000000T0000Z-090211T1900Z/
ESCAMBIA AL-CONECUH AL-
1235 PM CST WED FEB 11 2009
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM CST
FOR SOUTHEASTERN CONECUH AND NORTH CENTRAL ESCAMBIA COUNTIES...
AT 1231 PM CST...THE NATIONAL WEATHER SERVICE CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS OVER 60 MPH.
THIS STORM WAS NEAR JOHNSONVILLE...OR ABOUT 10 MILES SOUTH OF
EVERGREEN...MOVING NORTHEAST AT 50 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
PAUL BY 1240 PM CST
THIS STORM WILL OTHERWISE REMAIN OVER RURAL AREAS OF BOTH EASTERN
ESCAMBIA AND SOUTHEASTERN CONECUH COUNTIES OF SOUTHWESTERN ALABAMA..
LAT...LON 3128 8671 3125 8672 3124 8671 3123 8672
3111 8710 3116 8718 3128 8711 3141 8685
3135 8670
TIME...MOT...LOC 1835Z 239DEG 57KT 3132 8687
$$000
WWUS54 KMOB 111850
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1250 PM CST WED FEB 11 2009
ALC035-053-111900-
/O.CON.KMOB.SV.W.0013.000000T0000Z-090211T1900Z/
ESCAMBIA AL-CONECUH AL-
1249 PM CST WED FEB 11 2009
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM CST
FOR SOUTHEASTERN CONECUH AND NORTH CENTRAL ESCAMBIA COUNTIES...
AT 1245 PM CST... NWS DOPPLER RADAR IN MOBILE INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS OVER 60 MPH. THIS
STORM WAS NEAR KIRKLAND...OR ABOUT 7 MILES NORTH OF BREWTON...MOVING
NORTHEAST AT 45 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
7 MILES SOUTHWEST OF JOHNSONVILLE AND 7 MILES SOUTH OF NYMPH BY 100
PM CST...BUT WILL OTHERWISE REMAIN OVER RURAL AREAS OF EASTERN
ESCAMBIA AND SOUTHEASTERN CONECUH COUNTIES OF SOUTHWEST ALABAMA.
LAT...LON 3128 8671 3127 8672 3123 8672 3114 8706
3118 8710 3123 8709 3141 8685 3135 8670
TIME...MOT...LOC 1849Z 240DEG 19KT 3121 8703
$$000
WWUS54 KMOB 111900
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
100 PM CST WED FEB 11 2009
ALC035-053-111910-
/O.EXP.KMOB.SV.W.0013.000000T0000Z-090211T1900Z/
ESCAMBIA AL-CONECUH AL-
100 PM CST WED FEB 11 2009
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CONECUH AND NORTH
CENTRAL ESCAMBIA COUNTIES EXPIRED AT 100 PM CST...
THIS STORM FELL BELOW SEVERE THUNDERSTORM LIMITS.
LAT...LON 3128 8671 3127 8672 3123 8672 3114 8706
3118 8710 3123 8709 3141 8685 3135 8670
TIME...MOT...LOC 1900Z 240DEG 19KT 3124 8697
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 11, 10:04 AM CST | Special Marine Warning | MOB | 23 min | |
| Feb 11, 10:59 AM CST | Special Marine Warning | MOB | 2 hr | |
| Feb 11, 12:58 PM CST | Special Marine Warning | MOB | 92 min | |
| Feb 11, 2:24 PM CST | Special Marine Warning | MOB | 51 min | |
| Feb 11, 3:11 PM CST | Special Marine Warning | MOB | 19 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2009Every severe thunderstorm warning in 2009
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.