Alert archive / Tennessee / Flash Flood Warnings in 1996
Flash Flood Warning 13, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Mar 15, 1996, 2:49 PM EST for Johnson County, Sullivan County, Tennessee. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 15, 1996, 2:49 PM EST (19:49 UTC)
- Expired
- Mar 15, 1996, 6:45 PM EST
- In force
- 4 hr
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
Counties Johnson County, TN, Sullivan County, TN
The radar
The Knoxville radar (KMRX), 124 km from the middle of the area, began a volume at 19:52 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.8 hours before the alert went out and 200 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
- 8 J/kg
- Mixed-layer CIN
- -357 J/kg
- Mixed-layer LCL
- 1388 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMRX 151949 FFWMRX TNC067-073-091-163-152345- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE KNOXVILLE TRI CITIES TN 249 PM EST FRI MAR 15 1996 THE NATIONAL WEATHER SERVICE IN KNOXVILLE TRI CITIES HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 645 PM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST TENNESSEE ...NORTHERN HANCOCK COUNTY...NORTHERN HAWKINS COUNTY ...JOHNSON COUNTY...SULLIVAN COUNTY THUNDERSTORMS ALONG THE TENNESSEE VIRGINIA BORDER HAVE BEEN DROPPING LARGE AMOUNTS OF RAIN FOR THE PAST SEVERAL HOURS. RAINFALL IN EXCESS OF AN INCH AND A HALF PER HOUR HAS FALLEN WITH TOTAL RAINS OVER 2 INCHES IN SOME AREAS. THIS RAINFALL IS ENOUGH TO CAUSE DITCHES TO OVERFLOW AND SMALL CREEKS AND STREAMS TO RISE OUT OF THEIR BANKS. 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.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Morristown, TN wrote its last area forecast discussion before this flash flood warning went out at Mar 15, 10:23 AM EST, 4 hours 26 minutes earlier.
Area forecast discussion, Mar 15, 10:23 AM EST, 4 hours 26 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 1015AM EST FRI MAR 15 1996 SOME EARLY MORNING STORMS ARE CURRENTLY EXITING THE REGION...HOWEVER THE SECOND VERSE IS FIXING TO BE SUNG. THUNDERSTORMS ALONG THE PLATEAU ARE MOVING EASTWARD AT AROUND 30 MILES AN HOUR. SW VIRGINIA WILL LIKELY ESCAPE THE WORST OF THE STORMS ALONG WITH NORTHEAST TENNESSEE. FROM THE CENTRAL VALLEY SOUTHWARD HOWEVER IS VULNERABLE TO STRONG STORMS. VIEWING A MODIFIED BNA SOUNDING GIVES A FAIRLY STRONG WIND POTENTIAL ALONG WITH A HAIL POTENTIAL. 500 MB TEMPS OF -18 GIVE A VERY LOW VIL DE JURE. LOOKING FORWARD THERE IS A GOOD CHANCE THE PRECIP WILL CLEAR THE AREA BY TONIGHT AND POPS COULD BE LOWERED OVER MOST OF THE REGION. TEMPS AND SATURDAY LOOK OK.
In the hours before
Special weather statement, Mar 15, 12:36 PM EST, 2 hours 13 minutes before
TNZ083>087-099>102-151930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 1236 PM EST FRI MAR 15 1996 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR SOUTHEAST TENNESSEE... THE NATIONAL WEATHER SERVICE HAS CLEARED A PART OF SEVERE THUNDERSTORM WATCH NUMBER 84 ISSUED THIS MORNING. THE WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES IN SOUTHEAST TENNESSEE. POLK...BRADLEY...HAMILTON...MONROE...MCMINN...RHEA AND MEIGS... STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION.
Special weather statement, Mar 15, 12:39 PM EST, 2 hours 10 minutes before
TNZ083>087-099>102-151930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 1236 PM EST FRI MAR 15 1996 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR SOUTHEAST TENNESSEE... THE NATIONAL WEATHER SERVICE HAS CLEARED A PART OF SEVERE THUNDERSTORM WATCH NUMBER 84 ISSUED THIS MORNING. THE WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES IN SOUTHEAST TENNESSEE. POLK...BRADLEY...HAMILTON...MONROE...MCMINN...RHEA AND MEIGS... STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION.
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 11:21 AM EST | Severe Thunderstorm Warning | MRX | Monroe | 54 min |
| Mar 15, 2:49 PM EST | Flash Flood Warning | MRX | Hancock, Hawkins | 4 hr |
| Mar 15, 3:28 PM EST | Severe Thunderstorm Warning | MRX | Loudon | 32 min |
| Mar 15, 4:29 PM EST | Severe Thunderstorm Warning | MRX | Cocke | 61 min |
Nearby
Flash Flood Warnings in Tennessee, 1996Every flash flood warning in 1996
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.