Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 33, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 27, 2011, 3:10 PM CDT for Covington County, Alabama. It was in force for 50 min. 7 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 27, 2011, 3:10 PM CDT (20:10 UTC)
- Expired
- Mar 27, 2011, 4:00 PM CDT
- In force
- 50 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Covington County, AL
The radar
The Eglin Afb radar (KEVX), 92 km from the middle of the area, began a volume at 20:10 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 27, 3:16 PM CDT | HAIL 1 | Andalusia, AL | LARGE HAIL REPORT BY SPOTTER. |
| Mar 27, 3:16 PM CDT | HAIL 1.75 | Carolina, AL | REPORTED IN THE COMMUNITY BY STORM SPOTTER. |
| Mar 27, 3:20 PM CDT | HAIL 1 | Carolina, AL | DIME TO QUARTER SIZE HAIL REPORTED. |
| Mar 27, 3:30 PM CDT | HAIL 1.75 | 2 N Andalusia, AL | GOLF BALL SIZE HAIL REPORTED BY SPOTTER. DAMAGE TO AUTOMOBILE WINDOWS TO CAR/HOME IN THE HORN HILL COMMUNITY. |
| Mar 27, 3:30 PM CDT | HAIL 1.75 | 3 Nw Onycha, AL | GOLF BALL SIZE HAIL REPORTED BY SPOTTER. DAMAGE TO AUTOMEOBILE WINDOWS TO CAR/HOME IN THE HORN HILL COMMUNITY. |
| Mar 27, 3:34 PM CDT | HAIL 1.75 | Onycha, AL | LARGE HAIL REPORT BY EMA. |
| Mar 27, 3:43 PM CDT | HAIL 1.75 | Estothel, AL | REPORTED BY SPOTTER NEAR HWY 52...ESTOTHEL COMMUNITY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 8.2 hours before the alert went out and 219 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
- 395 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 452 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
346 WUUS54 KMOB 272010 SVRMOB ALC039-272100- /O.NEW.KMOB.SV.W.0033.110327T2010Z-110327T2100Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 310 PM CDT SUN MAR 27 2011 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA... THIS INCLUDES THE CITIES OF...OPP...ANDALUSIA... * UNTIL 400 PM CDT * AT 304 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 13 MILES WEST OF ANDALUSIA...OR NEAR BROOKLYN... AND MOVING EAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CAROLINA AROUND 320 PM CDT... LIBERTYVILLE AND ANDALUSIA AROUND 325 PM CDT... SANFORD AROUND 335 PM CDT... HORN HILL AND BABBIE AROUND 340 PM CDT... ONYCHA AND OPP AROUND 345 PM CDT... && LAT...LON 3116 8670 3134 8670 3136 8619 3112 8618 TIME...MOT...LOC 2011Z 271DEG 31KT 3125 8662 $$
1 follow-up statement
127 WWUS54 KMOB 272027 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 327 PM CDT SUN MAR 27 2011 ALC039-272100- /O.CON.KMOB.SV.W.0033.000000T0000Z-110327T2100Z/ COVINGTON AL- 327 PM CDT SUN MAR 27 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR CENTRAL COVINGTON COUNTY... AT 322 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS NEAR LIBERTYVILLE...OR ABOUT NEAR ANDALUSIA...MOVING EAST AT 45 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... WIGGINS AROUND 330 PM CDT... HORN HILL...BLUE SPRINGS AND BABBIE AROUND 335 PM CDT...BEULAH AND OPP AROUND 340 PM CDT... ESTOTHEL AND COUNTY LINE AROUND 345 PM CDT... HAIL UP TO QUARTER SIZE HAS BEEN REPORTED IN THE CAROLINA COMMUNITY WITH THIS STORM. SEEK SHELTER INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. LAT...LON 3116 8654 3134 8653 3134 8619 3113 8618 TIME...MOT...LOC 2025Z 272DEG 37KT 3125 8642 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 12:51 PM CDT | Severe Thunderstorm Warning | MOB | Crenshaw | 24 min |
| Mar 27, 2:41 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 4 min |
| Mar 27, 4:46 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 29 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2011Every severe thunderstorm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.