Alert archive / Tennessee / Flash Flood Warnings in 1999
Flash Flood Warning 51, NWS Nashville, TN
NWS Nashville, TN issued this flash flood warning at Jun 28, 1999, 12:37 AM CDT for Lawrence County, Wayne 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 counties it named.
The facts
- Issued
- Jun 28, 1999, 12:37 AM CDT (05:37 UTC)
- Expired
- Jun 28, 1999, 3:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Nashville, TN
- Area
- Whole counties
Counties Lawrence County, TN, Wayne County, TN
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 5.6 hours before the alert went out and 134 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
- 1357 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 1184 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Jun 27, 9:23 PM CDT, 3 hours 14 minutes earlier.
Area forecast discussion, Jun 27, 9:23 PM CDT, 3 hours 14 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NASHVILLE TN 923 PM CDT SUN JUN 27 1999 WELL...LATEST SURFACE AND SATELLITE ANALYSIS HAS MCS 1 SLIGHTLY FIZZLING OUT AS THE COMPLEX ENCOUNTERS A MORE STABLE AIRMASS. CORFIDI VECTORS TRACKED THE COMPLEX TO NEAR PERFECTION TO THE S-SE. SO WILL BRING BACK THE ORIGINAL WORDING OF POPS IN THE WEST AND DELETE THE THIS EVENING PERIOD. 00Z SOUNDING STILL UNSTABLE BUT MUCH DRIER THAN LAST 3 SWINGS. SW WINDS DRIED THE INTEGRATED PRECIPITABLE WATER TO BELOW 1.8 INCHES AND CAPES HAVE DROPPED TO AROUND 1000 J/KG. 2ND MCS IS ON TRACK TO AFFECT THE WESTERN COUNTIES OF TN...AND ONLY A SMALL PORTION OF MIDDLE TN. HOWEVER...WITH LIS OF -4...AND K INDICES OF NEAR 30 WILL LEAVE SCT POPS EVERYWHERE. FOG POTENTIAL IS STILL VALID FOR THE PLATEAU...AS MAIN HIGH LEVEL CLOUD COVER WILL MISS THE PLATEAU. WITH ALL THE RAIN THEY RECEIVED OVER THE LAST 72 HOURS...LIGHT SW WINDS AND SCT-BKN CLOUDS...PORTIONS OF THE PLATEAU SHOULD HAVE FOG. MID SHIFT WILL NEED TO ADDRESS FFA POTENTIAL IN WRN MIDDLE TN DUE TO ALL THE RECENT HEAVY RAINFALL IN THE WEST. OLD ETA HAS VERY STRONG VORT MAX THAT KEEP TRACKING SE FROM MO & NE IN THE VICINITY OF SURFACE FRONT AND IT TRACKS IT INTO ALL OF MIDDLE TN ON MON. JDG
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 11:36 PM CDT | Flash Flood Warning | OHX | Perry, Wayne | 3 hr |
| Jun 28, 7:43 AM CDT | Flash Flood Warning | OHX | Coffee, Franklin | 3 hr |
| Jun 28, 7:43 AM CDT | Flash Flood Warning | OHX | Cannon, Warren | 3 hr |
| Jun 28, 10:49 AM CDT | Flash Flood Warning | OHX | Franklin | 2 hr |
| Jun 28, 2:30 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Robertson | 45 min |
| Jun 28, 2:30 PM CDT | Severe Thunderstorm Warning | OHX | Dickson | 45 min |
| Jun 28, 3:05 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Dickson | 55 min |
| Jun 28, 3:05 PM CDT | Severe Thunderstorm Warning | OHX | Davidson | 55 min |
| Jun 28, 3:16 PM CDT | Severe Thunderstorm Warning | OHX | Robertson, Sumner | 44 min |
| Jun 28, 3:46 PM CDT | Flash Flood Warning | OHX | Montgomery, Stewart | 3 hr |
| Jun 28, 4:06 PM CDT | Flash Flood Warning | OHX | Cheatham, Davidson, Robertson, Sumner, Wilson | 3 hr |
| Jun 28, 4:06 PM CDT | Flash Flood Warning | OHX | Dickson, Houston | 3 hr |
Nearby
Flash Flood Warnings in Tennessee, 1999Every flash flood warning in 1999
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.