Alert archive / Tennessee / Flash Flood Warnings in 2003
Flash Flood Warning 2, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Apr 30, 2003, 6:51 PM EDT for Campbell County, Tennessee. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 30, 2003, 6:51 PM EDT (22:51 UTC)
- Expired
- Apr 30, 2003, 9:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Morristown, TN
- Area
- Counties, with a storm outline in the text
County Campbell County, TN
The radar
The Knoxville radar (KMRX), 73 km from the middle of the area, began a volume at 22:54 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 12:00Z, 10.9 hours before the alert went out and 225 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
- 37 J/kg
- Mixed-layer CIN
- -257 J/kg
- Mixed-layer LCL
- 1321 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 128 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 KMRX 302256 FFWMRX TNC013-010145- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MORRISTOWN TN 651 PM EDT WED APR 30 2003 THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A * FLASH FLOOD WARNING FOR... CAMPBELL COUNTY IN EAST TENNESSEE * UNTIL 945 PM EDT * AT 649 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH VERY HEAVY RAIN NEAR FINCASTLE...OR 6 MILES NORTHEAST OF LA FOLLETTE. THE THUNDERSTORM PRODUCING THE FLASH FLOOD WAS NEARLY STATIONARY. RADAR ESTIMATES OF FOUR TO FIVE INCHES HAS FALLEN IN THE LAST THREE HOURS...ANOTHER ONE TO TWO INCHES IS POSSIBLE IN THE NEXT THREE HOURS. * LOCATIONS IN THE WARNING INCLUDE... FINCASTLE...LA FOLLETTE...JACKSBORO...JELLICO...WHITE OAK AT 651 PM EDT LOCAL LAW ENFORCEMENT REPORTED FLOODING ALONG DAVIS CREEK NEAR CATULA...RUSSELL FORK...AND DUFF. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE SOME FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...THIS STORM WILL CAUSE FLOODING OF COUNTRY ROADS...FARMLANDS...AND OTHER LOW LYING AREAS THAT ARE SUBJECT TO FLOODING. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LAT...LON 3657 8420 3632 8420 3631 8401 3657 8400 $$ BS/GH
2 follow-up statements
000 WGUS74 KMRX 010045 FFSMRX TNC013-010145- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 844 PM EDT WED APR 30 2003 ...A FLASH FLOOD WARNING CONTINUES FOR CAMPBELL COUNTY UNTIL 945 PM EDT... AT 844 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE HEAVY RAIN HAS DIMINISHED. HOWEVER...THE THREAT OF FLASH FLOODING STILL EXISTS FROM THE RUNOFF OF THE PREVIOUS HEAVY RAIN. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. DO NOT ATTEMPT TO CROSS BRIDGES... DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. LAT...LON 3656 8422 3630 8428 3632 8401 3655 8403 $$ GH
000 WGUS74 KMRX 010128 FFSMRX TNC013-010145- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 924 PM EDT WED APR 30 2003 ...THE FLASH FLOOD WARNING FOR CAMPBELL COUNTY HAS BEEN CANCELED... AT 924 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE RAINFALL HAS ENDED ACROSS THE WARNED AREA...AND THE FLOOD THREAT WAS DIMINISHING. LAW ENFORCEMENT OFFICIALS INDICATED THE WATER HAS RECEDED. SOME MINOR FLOODING MAY CONTINUE...BUT THE THREAT OF SERIOUS FLOODING HAS ENDED. THEREFORE THE FLASH FLOOD WARNING HAS BEEN CANCELED. STAY TUNED TO NOAA WEATHER RADIO...OR OTHER LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. & LAT...LON 3656 8422 3630 8428 3632 8401 3655 8403 $$ GH
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 9:49 PM EDT | Severe Thunderstorm Warning | MRX | Roane | 26 min |
| Apr 29, 9:55 PM EDT | Severe Thunderstorm Warning | MRX | Bradley | 35 min |
| Apr 29, 10:13 PM EDT | Severe Thunderstorm Warning | MRX | Meigs, Rhea | 47 min |
| Apr 29, 10:17 PM EDT | Severe Thunderstorm Warning | MRX | Loudon | 43 min |
| Apr 29, 11:09 PM EDT | Severe Thunderstorm Warning | MRX | McMinn | 51 min |
| Apr 29, 11:36 PM EDT | Severe Thunderstorm Warning | MRX | Monroe | 39 min |
| Apr 30, 2:16 PM EDT | Severe Thunderstorm Warning | MRX | Polk | 44 min |
| Apr 30, 2:28 PM EDT | Severe Thunderstorm Warning | MRX | Carter | 47 min |
| Apr 30, 2:34 PM EDT | Severe Thunderstorm Warning | MRX | Unicoi | 41 min |
| Apr 30, 2:39 PM EDT | Severe Thunderstorm Warning | MRX | Monroe | 51 min |
| Apr 30, 3:03 PM EDT | Severe Thunderstorm Warning | MRX | Polk | 42 min |
| Apr 30, 4:11 PM EDT | Severe Thunderstorm Warning | MRX | Greene | 49 min |
| Apr 30, 4:40 PM EDT | Severe Thunderstorm Warning | MRX | Morgan | 65 min |
| Apr 30, 4:53 PM EDT | Severe Thunderstorm Warning | MRX | Bledsoe | 37 min |
| Apr 30, 5:29 PM EDT | Severe Thunderstorm Warning | MRX | Campbell | 46 min |
| Apr 30, 5:37 PM EDT | Severe Thunderstorm Warning | MRX | Hawkins | 23 min |
| Apr 30, 6:06 PM EDT | Severe Thunderstorm Warning | MRX | Hamilton | 39 min |
Nearby
Flash Flood Warnings in Tennessee, 2003Every flash flood warning in 2003
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.