Alert archive / Alabama / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 21, NWS Huntsville, AL

March 14, 2008DeKalb County, Alabama

NWS Huntsville, AL issued this severe thunderstorm warning at Mar 14, 2008, 5:37 PM CDT for DeKalb County, Alabama. It was in force for 38 min. 3 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 14, 2008, 5:37 PM CDT (22:37 UTC)
Expired
Mar 14, 2008, 6:15 PM CDT
In force
38 min
Issued by
NWS Huntsville, AL
Area
Storm-based polygon

County DeKalb County, AL

The radar

The Northeast Alabama radar (KHTX), 64 km from the middle of the area, began a volume at 22:38 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 14, 5:44 PM CDTHAIL 0.25Geraldine, ALPEA SIZE HAIL REPORTED BY THE PUBLIC AND RELAYED BY EMA.
Mar 14, 5:58 PM CDTHAIL 0.25S Geraldine, ALPEA SIZE HAIL REPORTED ON HWY 176
Mar 14, 5:58 PM CDTHAIL 0.75Dog Town, ALPUBLIC REPORT OF PENNY SIZED HAIL. RELAYED BY SHERIFFS OFFICE.

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, 10.6 hours before the alert went out and 156 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 2008-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2008-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 261 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1052 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
261 m²/s²
0-3 km storm-relative helicity
343 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 
WUUS54 KHUN 142238
SVRHUN
ALC049-142315-
/O.NEW.KHUN.SV.W.0021.080314T2237Z-080314T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
537 PM CDT FRI MAR 14 2008

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN DEKALB COUNTY IN NORTHEAST ALABAMA...

* UNTIL 615 PM CDT

* AT 535 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR GERALDINE...OR ABOUT 12 MILES SOUTHWEST OF
  RAINSVILLE...AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GERALDINE...
  FYFFE...
  LEBANON...
  DAWSON...
  PORTERSVILLE...
  COLLINSVILLE...

IN ADDITION TO LARGE HAIL...CONTINUOUS CLOUD TO GROUND LIGHTNING IS 
OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS 
ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR 
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

LAT...LON 3438 8561 3425 8578 3425 8582 3431 8610
      3440 8610 3441 8612 3445 8611 3448 8606
      3444 8558
TIME...MOT...LOC 2237Z 281DEG 24KT 3439 8600

$$

CBD
2 follow-up statements
000 
WWUS54 KHUN 142251
SVSHUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
550 PM CDT FRI MAR 14 2008

ALC049-142315-
/O.CON.KHUN.SV.W.0021.000000T0000Z-080314T2315Z/
DEKALB AL-
550 PM CDT FRI MAR 14 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR SOUTHERN DEKALB COUNTY...

AT 550 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.
THIS STORM WAS LOCATED NEAR PEEKS CORNER...OR ABOUT 9 MILES SOUTH OF 
RAINSVILLE...MOVING EAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
COLLINSVILLE...LEBANON...PINE RIDGE...COLLBRAN...FORT PAYNE...DOG
TOWN AND ADAMSBURG.

AT 544 PM...STORM SPOTTERS NEAR GERALDINE REPORTED SMALL HAIL WITH 
THIS STORM.

IN ADDITION TO LARGE HAIL...CONTINUOUS CLOUD TO GROUND LIGHTNING IS 
OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY 

LAT...LON 3438 8561 3425 8578 3425 8582 3431 8610
      3440 8610 3441 8612 3445 8611 3448 8606
      3444 8558
TIME...MOT...LOC 2250Z 281DEG 24KT 3436 8586

$$

CBD
000 
WWUS54 KHUN 142311
SVSHUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
610 PM CDT FRI MAR 14 2008

ALC049-142315-
/O.CON.KHUN.SV.W.0021.000000T0000Z-080314T2315Z/
DEKALB AL-
610 PM CDT FRI MAR 14 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR SOUTH CENTRAL DEKALB COUNTY...

AT 608 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.
 THIS STORM WAS LOCATED NEAR DOG TOWN...OR ABOUT 10 MILES SOUTH OF 
FORT PAYNE...MOVING EAST AT 25 MPH. AT 558 PM...THE PUBLIC REPORTED 
PENNY SIZE HAIL WITH THIS STORM.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ADAMSBURG.

IN ADDITION TO LARGE HAIL...CONTINUOUS CLOUD TO GROUND LIGHTNING IS 
OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS 
ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR 
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

LAT...LON 3436 8565 3434 8566 3425 8579 3427 8585
      3434 8584 3440 8575 3441 8564 3438 8561
TIME...MOT...LOC 2310Z 288DEG 22KT 3430 8575

$$

MP/CBD

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 14, 6:39 PM CDTSevere Thunderstorm WarningHUNDeKalb, Marshall36 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2008Every severe thunderstorm warning in 2008

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.