Alert archive / Alabama / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 40, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 20, 2015, 6:49 PM CDT for Escambia County, Alabama. It was in force for 41 min. 2 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
- May 20, 2015, 6:49 PM CDT (23:49 UTC)
- Expired
- May 20, 2015, 7:30 PM CDT
- In force
- 41 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Escambia County, AL
The radar
The Eglin Afb radar (KEVX), 106 km from the middle of the area, began a volume at 23:50 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 |
|---|---|---|---|
| May 20, 6:52 PM CDT | TSTM WND DMG | Brewton, AL | TREE DOWN ON APPLETON ROAD NORTH OF BREWTON. |
| May 20, 6:55 PM CDT | HAIL 1 | E Brewton, AL |
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, 11.8 hours before the alert went out and 228 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
- 29 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 1194 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
411
WUUS54 KMOB 202349
SVRMOB
ALC053-210030-
/O.NEW.KMOB.SV.W.0040.150520T2349Z-150521T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
649 PM CDT WED MAY 20 2015
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 730 PM CDT
* AT 649 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED OVER EAST
BREWTON...AND MOVING EAST AT 20 MPH.
* LOCATIONS IMPACTED INCLUDE...
BREWTON... EAST BREWTON... RIVERVIEW...
US 29 AND CR 43... DAMASCUS... ROCK CREEK...
PEA RIDGE... ROBERTS... BRADLEY...
DIXONVILLE... ROCK HILL... PARKER SPRINGS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS OFTEN PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING. PLEASE TAKE COVER UNTIL THE STORM PASSES.
THIS IS A DANGEROUS STORM. PREPARE FOR DESTRUCTIVE HAIL AND DAMAGING
WINDS. PEOPLE OUTSIDE SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY
FROM WINDOWS.
TO REPORT SEVERE WEATHER...CALL (800) 284-9059.
&&
LAT...LON 3101 8670 3100 8687 3100 8709 3115 8715
3124 8677 3122 8676 3121 8677 3120 8677
3119 8676 3120 8674 3118 8673
TIME...MOT...LOC 2349Z 249DEG 16KT 3109 8704
$$1 follow-up statement
587
WWUS54 KMOB 210010
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
710 PM CDT WED MAY 20 2015
ALC053-210030-
/O.CON.KMOB.SV.W.0040.000000T0000Z-150521T0030Z/
ESCAMBIA AL-
710 PM CDT WED MAY 20 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR EASTERN ESCAMBIA COUNTY...
AT 709 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED NEAR US 29 AND
CR 43...OR 12 MILES EAST OF EAST BREWTON...MOVING EAST AT 35 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS OFTEN PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING. PLEASE TAKE COVER UNTIL THE STORM PASSES.
THIS IS A DANGEROUS STORM. PREPARE FOR DESTRUCTIVE HAIL AND DAMAGING
WINDS. PEOPLE OUTSIDE SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY
FROM WINDOWS.
TO REPORT SEVERE WEATHER...CALL (800) 284-9059.
&&
LAT...LON 3101 8670 3100 8687 3100 8701 3115 8703
3124 8677 3122 8676 3121 8677 3120 8677
3119 8676 3120 8674 3118 8673
TIME...MOT...LOC 0009Z 271DEG 29KT 3108 8684
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 1:56 PM CDT | Special Marine Warning | MOB | 64 min | |
| May 20, 2:31 PM CDT | Special Weather Statement | MOB | Choctaw | 59 min |
| May 20, 3:33 PM CDT | Special Weather Statement | MOB | Choctaw | 27 min |
| May 20, 3:44 PM CDT | Special Marine Warning | MOB | 91 min | |
| May 20, 4:45 PM CDT | Special Weather Statement | MOB | Clarke | 60 min |
| May 20, 5:02 PM CDT | Special Weather Statement | MOB | Clarke, Monroe | 58 min |
| May 20, 5:50 PM CDT | Special Weather Statement | MOB | Butler, Conecuh, Covington, Crenshaw, Escambia | 70 min |
| May 20, 6:31 PM CDT | Special Weather Statement | MOB | Escambia | 59 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2015Every severe thunderstorm warning in 2015
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.