Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 39, NWS Tallahassee, FL

March 31, 2021Coffee County, Dale County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 31, 2021, 4:07 PM CDT for Coffee County, Dale County, Alabama. It was in force for 53 min. 9 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 31, 2021, 4:07 PM CDT (21:07 UTC)
Expired
Mar 31, 2021, 5:00 PM CDT
In force
53 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Coffee County, AL, Dale County, AL

The radar

The Ft Rucker radar (KEOX), 53 km from the middle of the area, began a volume at 21:08 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

TimeReportWhereRemark
Mar 31, 4:21 PM CDTTSTM WND DMGZoar, ALTREE DOWN ON COUNTY ROAD 306.
Mar 31, 4:27 PM CDTTSTM WND DMG1 Ene Lee, ALTREE DOWN ON HIGHWAY 87.
Mar 31, 4:27 PM CDTTSTM WND DMG1 Ene Wise Mill, ALTREES DOWN ALONG HIGHWAY 125.
Mar 31, 4:29 PM CDTTSTM WND DMG1 Ene Elba, ALMULTIPLE TREES DOWN NEAR HIGHWAY 87 AT HIGHWAY 125.
Mar 31, 4:29 PM CDTTSTM WND DMGElba, ALMULTIPLE TREES DOWN ALONG FARRIS AVE IN ELBA.
Mar 31, 4:32 PM CDTTSTM WND DMG2 W Mixons Crossroads, ALTREE BLOCKING BOTH LANES OF TRAFFIC ON CR 237 OFF OF CR 233.
Mar 31, 4:37 PM CDTTSTM WND DMG2 W Mixons Crossroads, ALTREE DOWN ALONG COUNTY ROAD 233 NEAR COUNTY ROAD 230.
Mar 31, 5:00 PM CDTTSTM WND DMGNewton, ALTREE DOWN IN N EDWARDS ST/E KINGS ST & NEWTON.
Mar 31, 5:03 PM CDTTSTM WND GST 44Lowe Army Heliport, ALAWOS STATION KLOR FORT RUCKER.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 31, 3:12 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 9.1 hours before the alert went out and 200 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, Birmingham, AL at 12:00Z on 2021-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 455 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, Birmingham, AL at 12:00Z on 2021-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 273 square meters per square second.19395878Sfc1 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
455 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
527 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
273 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.5

Open this sounding in Storm Lab

The text

As transmitted.

385 
WUUS52 KTAE 312107
SVRTAE
ALC031-045-312200-
/O.NEW.KTAE.SV.W.0039.210331T2107Z-210331T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
407 PM CDT Wed Mar 31 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Northwestern Dale County in southeastern Alabama...
  Coffee County in southeastern Alabama...

* Until 500 PM CDT.

* At 406 PM CDT, severe thunderstorms were located along a line
  extending from near Ansley to near Brantley to near Red Level,
  moving east at 60 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Daleville, Elba, Enterprise, Fort Rucker, Ozark, Level Plains,
  Newton, New Brockton, Ariton, Pinckard, Lee, Mixons Crossroads,
  Hunt Field, Waterford, Curtis, Carl Folsom A/p, Hooper Stage Field,
  Gerald, Camp Humming Hills and Clintonville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3153 8619 3153 8616 3154 8614 3162 8615
      3162 8555 3131 8555 3131 8620
TIME...MOT...LOC 2106Z 261DEG 51KT 3191 8618 3162 8631 3134 8668 

HAIL...0.75IN
WIND...60MPH
 
$$

72-BUNKER

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 31, 4:37 PM CDTSevere Thunderstorm WarningTAECoffee, Dale, Geneva38 min
Mar 31, 4:42 PM CDTTornado WarningTAECoffee, Dale17 min
Mar 31, 4:52 PM CDTSevere Thunderstorm WarningTAECoffee, Dale, Henry, Houston49 min
Mar 31, 5:03 PM CDTTornado Warning Tornado observedTAEDale, Henry9 min
Mar 31, 5:10 PM CDTSpecial Weather StatementTAEGeneva, Houston50 min
Mar 31, 5:30 PM CDTSevere Thunderstorm WarningTAEHenry, Houston45 min
Mar 31, 5:39 PM CDTSevere Thunderstorm WarningTAEGeneva66 min
Mar 31, 5:54 PM CDTSevere Thunderstorm WarningTAEHouston51 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2021Every severe thunderstorm warning in 2021

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.