Alert archive / Tennessee / Flash Flood Warnings in 2007
Flash Flood Warning 13, NWS Huntsville, AL
NWS Huntsville, AL issued this flash flood warning at Aug 25, 2007, 12:21 AM CDT for Lincoln County, Tennessee. It was in force for 114 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
- Aug 25, 2007, 12:21 AM CDT (05:21 UTC)
- Expired
- Aug 25, 2007, 2:15 AM CDT
- In force
- 114 min
- Issued by
- NWS Huntsville, AL
- Area
- Whole counties
County Lincoln County, TN
The radar
The Northeast Alabama radar (KHTX), 52 km from the middle of the area, began a volume at 05:23 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
Nashville Metro, TN (KBNA), launched 00:00Z, 5.4 hours before the alert went out and 110 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
- 143 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 2882 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KHUN 250521 FFWHUN TNC051-103-250715- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HUNTSVILLE AL 1221 AM CDT SAT AUG 25 2007 THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHWESTERN FRANKLIN COUNTY IN TENNESSEE... SOUTHEASTERN LINCOLN COUNTY IN TENNESSEE... * UNTIL 215 AM CDT * AT 1218 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HUNTLAND A STORM SPOTTER HAS REPORTED AROUND 5 INCHES OF RAIN IN HUNTLAND. ADDITIONAL RAINFALL OF 1 TO 3 INCHES IS POSSIBLE IN THE WARNED AREA. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. LAT...LON 3509 8647 3514 8616 3500 8615 3500 8648 TIME...MOT...LOC 0521Z 180DEG 0KT 3501 8633 $$ KULA
1 follow-up statement
000 WGUS74 KHUN 250710 FFSHUN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 210 AM CDT SAT AUG 25 2007 TNC051-103-250717- LINCOLN TN-FRANKLIN TN- 210 AM CDT SAT AUG 25 2007 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 215 AM CDT FOR SOUTHWESTERN FRANKLIN AND SOUTHEASTERN LINCOLN COUNTIES... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE INTENSE RAINFALL HAD DIMINISHED...WITH LIGHT TO MODERATE RAIN CONTINUING. THE FLASH FLOOD THREAT HAS ENDED. SOME WATER PONDS MAY REMAIN...SO MOTORISTS SHOULD USE CAUTION. DO NOT TRY TO CROSS A WATER COVERED ROAD. STANDING WATER ON AREA HIGHWAYS MAY CAUSE HYDROPLANING...WITH A LOSS OF VEHICLE CONTROL POSSIBLE. LAT...LON 3509 8647 3514 8616 3500 8615 3500 8648 TIME...MOT...LOC 0707Z 180DEG 0KT 3501 8633 $$ KULA
The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 9:45 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 45 min |
| Aug 24, 10:25 PM CDT | Flash Flood Warning | HUN | Franklin | 2 hr |
| Aug 24, 10:31 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 44 min |
| Aug 25, 12:21 AM CDT | Flash Flood Warning | HUN | Franklin | 114 min |
| Aug 25, 4:57 PM CDT | Severe Thunderstorm Warning | HUN | Lincoln | 33 min |
Nearby
Flash Flood Warnings in Tennessee, 2007Every flash flood warning in 2007
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.