Alert archive / Alabama / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 40, NWS Tallahassee, FL

March 12, 2001Coffee County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 12, 2001, 1:14 PM CST for Coffee County, Alabama. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Mar 12, 2001, 1:14 PM CST (19:14 UTC)
Expired: Mar 12, 2001, 2:00 PM CST
In force: 46 min
Issued by: NWS Tallahassee, FL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Coffee County, AL

The watch it was issued in

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

Issued	Product	Office	Lasted
Mar 12, 11:30 AM CST	Tornado Watch	SPC	4 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.2 hours before the alert went out and 201 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 18 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 625 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 129 m²/s²
0-3 km storm-relative helicity: 397 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KTAE 121916
SVRTLH
ALC031-122000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
114 PM CST MON MAR 12 2001

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  COFFEE COUNTY IN ALABAMA

* UNTIL 200 PM CST...

* AT 114 PM CST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A   
  SEVERE THUNDERSTORM ABOUT 10 MILES NORTHWEST OF OPP...MOVING EAST  
  AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ELBA...CARL FOLSOM A/P BY 120 PM CST...
  SHADY GROVE BY 125 PM CST...
  JACK...NEW BROCKTON BY 130 PM CST...
  MIXONS CROSSROADS...VICTORIA BY 135 PM CST...
  NEW HOPE...ROETON BY 140 PM CST...

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. 
REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE 
OR NO ADVANCE WARNING. REMAIN CALM...BUT BE ALERT FOR RAPIDLY 
CHANGING CONDITIONS.

THE MAIN THREAT FROM THIS STORM IS DAMAGING WINDS. LARGE HAIL IS ALSO
POSSIBLE.


LAT...LON 3153 8616 3125 8619 3134 8582 3161 8581
          3163 8612

.END

11 - GOREE

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 8:25 AM CST	Severe Thunderstorm Warning	TAE	Coffee	35 min
Mar 12, 1:37 PM CST	Severe Thunderstorm Warning	TAE	Geneva	38 min
Mar 12, 1:58 PM CST	Tornado Warning	TAE	Coffee, Dale	32 min
Mar 12, 2:26 PM CST	Severe Thunderstorm Warning	TAE	Dale, Henry, Houston	49 min
Mar 12, 2:26 PM CST	Severe Thunderstorm Warning	TAE	Geneva	49 min
Mar 12, 3:51 PM CST	Tornado Warning	TAE	Houston	24 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2001 Every severe thunderstorm warning in 2001

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.