Alert archive / Tennessee / Tornado Warnings in 2011
Tornado Warning 7, NWS Huntsville, AL
NWS Huntsville, AL issued this tornado warning at Feb 24, 2011, 11:32 PM CST for Franklin County, Lincoln County, Moore County, Tennessee. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 24, 2011, 11:32 PM CST (05:32 UTC)
- Expired
- Feb 25, 2011, 12:00 AM CST
- In force
- 28 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
Counties Franklin County, TN, Lincoln County, TN, Moore County, TN
The radar
The Northeast Alabama radar (KHTX), 39 km from the middle of the area, began a volume at 05:35 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 24, 8:30 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 5.5 hours before the alert went out and 107 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
- 17 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 793 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 538 m²/s²
- 0-3 km storm-relative helicity
- 629 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
211
WFUS54 KHUN 250532
TORHUN
TNC051-103-127-250600-
/O.NEW.KHUN.TO.W.0007.110225T0532Z-110225T0600Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1132 PM CST THU FEB 24 2011
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN FRANKLIN COUNTY IN TENNESSEE...
EAST CENTRAL LINCOLN COUNTY IN TENNESSEE...
SOUTHEASTERN MOORE COUNTY IN TENNESSEE...
* UNTIL MIDNIGHT CST
* AT 1131 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR MARBLE
HILL...MOVING EAST AT 55 MPH.
* LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
ESTILL SPRINGS.
WOODS RESERVOIR.
ALTO.
ST. ANDREWS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. DO NOT WAIT UNTIL YOU
SEE OR HEAR THE TORNADO...IT MAY BE TOO LATE. TAKE COVER NOW.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST FRIDAY MORNING FOR
NORTHERN ALABAMA AND CENTRAL TENNESSEE.
&&
LAT...LON 3536 8602 3533 8599 3533 8597 3530 8592
3526 8589 3523 8589 3523 8586 3521 8587
3508 8654 3527 8643 3537 8608
TIME...MOT...LOC 0531Z 256DEG 50KT 3523 8631
$$
SL1 follow-up statement
403
WWUS54 KHUN 250542
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1142 PM CST THU FEB 24 2011
TNC103-250551-
/O.CAN.KHUN.TO.W.0007.000000T0000Z-110225T0600Z/
LINCOLN TN-
1142 PM CST THU FEB 24 2011
...THE TORNADO WARNING FOR EAST CENTRAL LINCOLN COUNTY IS CANCELED...
WEATHER SERVICE DOPPLER RADAR INDICATED THE THUNDERSTORM THAT
PROMPTED THE TORNADO WARNING HAD MOVED OUT OF THE COUNTY. THEREFORE
THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.
HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR
LIMESTONE COUNTY UNTIL 1215 AM CST FOR DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST FRIDAY MORNING FOR
NORTHERN ALABAMA AND CENTRAL TENNESSEE.
LAT...LON 3536 8602 3533 8600 3530 8592 3526 8589
3523 8589 3523 8586 3521 8587 3514 8622
3513 8629 3513 8632 3514 8635 3513 8635
3532 8628 3537 8608
TIME...MOT...LOC 0541Z 256DEG 50KT 3526 8614
$$
TNC051-127-250600-
/O.CON.KHUN.TO.W.0007.000000T0000Z-110225T0600Z/
MOORE TN-FRANKLIN TN-
1142 PM CST THU FEB 24 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST FOR
NORTHERN FRANKLIN AND SOUTHEASTERN MOORE COUNTIES...
AT 1141 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR TIMS FORD LAKE
MOVING EAST AT 55 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
DECHERD...WOODS RESERVOIR...ALTO...SEWANEE AND ST. ANDREWS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. DO NOT WAIT UNTIL YOU
SEE OR HEAR THE TORNADO...IT MAY BE TOO LATE. TAKE COVER NOW.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST FRIDAY MORNING FOR
NORTHERN ALABAMA AND CENTRAL TENNESSEE.
&&
LAT...LON 3536 8602 3533 8600 3530 8592 3526 8589
3523 8589 3523 8586 3521 8587 3514 8622
3513 8629 3513 8632 3514 8635 3513 8635
3532 8628 3537 8608
TIME...MOT...LOC 0541Z 256DEG 50KT 3526 8614
$$
SLThe office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 10:45 PM CST | Severe Thunderstorm Warning | HUN | Franklin, Lincoln, Moore | 45 min |
| Feb 24, 11:25 PM CST | Severe Thunderstorm Warning | HUN | Franklin, Lincoln, Moore | 50 min |
| Feb 24, 11:56 PM CST | Tornado Warning | HUN | Franklin | 22 min |
Nearby
Tornado Warnings in Tennessee, 2011Every tornado warning in 2011Tornadoes in 2011
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.