Alert archive / Tennessee / Flash Flood Warnings in 2004
Flash Flood Warning 50, NWS Nashville, TN
NWS Nashville, TN issued this flash flood warning at Jul 31, 2004, 3:16 PM CDT for Pickett 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
- Jul 31, 2004, 3:16 PM CDT (20:16 UTC)
- Expired
- Jul 31, 2004, 6:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Nashville, TN
- Area
- Counties, with a storm outline in the text
County Pickett County, TN
The radar
The Knoxville radar (KMRX), 141 km from the middle of the area, began a volume at 20:20 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 8.3 hours before the alert went out and 161 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
- 1033 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 537 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KOHX 312022 FFWBNA TNC137-312315- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NASHVILLE TN 316 PM CDT SAT JUL 31 2004 THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A * FLASH FLOOD WARNING FOR... EASTERN PICKETT COUNTY IN TENNESSEE * UNTIL 615 PM CDT * AT 303 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAIN...BETWEEN 1.5 AND 2.0 INCHES PER HOUR...MOVING ACROSS EASTERN PICKETT COUNTY. ADDITIONAL RAINFALL AMOUNTS OF 2 INCHES ARE POSSIBLE OVER AREAS THAT HAVE RECEIVED BETWEEN 2 AND 3 INCHES SINCE MIDNIGHT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. LAT...LON 3657 8499 3653 8473 3661 8478 3663 8499 $$ 05
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 Nashville, TN wrote its last area forecast discussion before this flash flood warning went out at Jul 31, 11:20 AM CDT, 3 hours 56 minutes earlier.
Area forecast discussion, Jul 31, 11:20 AM CDT, 3 hours 56 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NASHVILLE TN 1120 AM CDT SAT JUL 31 2004 .DISCUSSION... OVERNIGHT RAIN EVENT PRODUCED 2+ INCHES IN UPPER PLATEAU NEAR KENTUCKY BORDER...AND IN A FEW LOCATIONS SOUTH FROM NEAR SAVANNAH TO SOUTH OF LAWRENCEBURG. COLD FRONT MOVING INTO NORTHWEST MIDDLE TENNESSEE ATTM...BOUNDARY PAST KOWB TO KMKL. SURFACE DEWPOINT GRADIENT ALIGNED NEAR FRONT. H7 LAYER DRYING MORE EAST IN DIVERGENT FLOW OVER METRO NASHVILLE ADVANCING EAST. MIDDLE TENNESSEE NO LONGER IN CONSIDERED IN HIGH QPF ENVIRONMENT...AND WILL REMOVE LOCALLY HEAVY RAIN POTENTIAL IN THE FORECAST. H5 TROUGH AXIS STILL OVER WEST TENNESSEE ATTM...SO MOSTLY CLOUDY SKIES ON TAP THIS AFTERNOON. WILL KNOCK DOWN PLATEAU RAIN CHANCE TO SCATTERED...ISOLATED FOR METRO NASHVILLE ZONE WITH SLOW MOVING FRONT. AFTERNOON HEATING WILL KEEP THE CHANCE OF THUNDER GOING. && .BNA WATCHES/WARNINGS/ADVISORIES...NONE. && 04
Hazardous weather outlook, Jul 31, 5:30 AM CDT, 9 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NASHVILLE TN 530 AM CDT SAT JUL 31 2004 TNZ005>011-022>034-056>066-075-077>080-093>095-011030- BEDFORD-BENTON-CANNON-CHEATHAM-CLAY-COFFEE-CUMBERLAND-DAVIDSON- DEKALB-DICKSON-FENTRESS-GILES-GRUNDY-HICKMAN-HOUSTON-HUMPHREYS- JACKSON-LAWRENCE-LEWIS-MACON-MARSHALL-MAURY-MONTGOMERY-OVERTON-PERRY- PICKETT-PUTNAM-ROBERTSON-RUTHERFORD-SMITH-STEWART-SUMNER-TROUSDALE- VAN BUREN-WARREN-WAYNE-WHITE-WILLIAMSON-WILSON- 530 AM CDT SAT JUL 31 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS WILL PRODUCE HEAVY RAINFALL IN SOME AREAS TODAY... CAUSING PONDING OF WATER ON ROADS...HIGHWAYS AND IN LOW LYING AREAS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGERS IS NOT ANTICIPATED. STEIGERWALDT
Nearby
Flash Flood Warnings in Tennessee, 2004Every flash flood warning in 2004
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.