Alert archive / Alabama / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 17, NWS Mobile, AL

March 12, 2002Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 12, 2002, 2:30 PM CST for Baldwin County, Alabama. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 12, 2002, 2:30 PM CST (20:30 UTC)
Expired
Mar 12, 2002, 3:00 PM CST
In force
30 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 47 km from the middle of the area, began a volume at 20:33 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

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 8.5 hours before the alert went out and 121 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.

Skew-T log-pSkew-T log-p diagram, Eglin AFB/Valpar, FL at 12:00Z on 2002-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 261 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Eglin AFB/Valpar, FL at 12:00Z on 2002-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
261 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
449 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
171 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KMOB 122030
SVRMOB
ALC003-122100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
229 PM CST TUE MAR 12 2002

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BALDWIN COUNTY IN SOUTHWEST ALABAMA

* UNTIL 300 PM CST

* AT 229 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 16 MILES NORTHWEST OF I10 NEAR
  THE BATTLESHIP TO 14 MILES SOUTHWEST OF I10 NEAR THE BATTLESHIP 
  THE LINE WAS NEARLY STATIONARY.

  THE STORM WAS MOVING EAST AROUND 35 MPH. THIS STORM WILL MOVE 
  ACROSS THE NORTHERN AND CENTRAL PORTIONS OF BALDWIN COUNTY THROUGH 
  3 PM CST.

STRONG DAMAGING WIND...LARGE HAIL...AND HEAVY RAIN ARE LIKELY WITH
THESE STORMS.  IF IN THE PATH OF THESE STORMS...TAKE COVER IN A
STURDY SHELTER UNTIL THE STORMS HAVE PASSED.

REPORT SEVERE WEATHER TO YOUR LOCAL 911 EMERGENCY CENTER OR LAW
ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL
WEATHER SERVICE FORECAST OFFICE IN MOBILE.

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 12, 10:09 AM CSTSpecial Marine WarningMOB2 hr
Mar 12, 10:09 AM CSTSpecial Marine WarningMOB2 hr
Mar 12, 11:55 AM CSTSevere Thunderstorm WarningMOBCovington35 min
Mar 12, 12:03 PM CSTSevere Thunderstorm WarningMOBCrenshaw27 min
Mar 12, 12:42 PM CSTSevere Thunderstorm WarningMOBCovington18 min
Mar 12, 1:37 PM CSTSpecial Marine WarningMOB23 min
Mar 12, 1:57 PM CSTSevere Thunderstorm WarningMOBMobile48 min
Mar 12, 2:22 PM CSTSpecial Marine WarningMOB68 min
Mar 12, 2:55 PM CSTSevere Thunderstorm WarningMOBBaldwin50 min
Mar 12, 3:52 PM CSTSpecial Marine WarningMOB113 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2002Every severe thunderstorm warning in 2002

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.