Alert archive / Kentucky / Flash Flood Warnings in 1999
Flash Flood Warning 25, NWS Louisville, KY
NWS Louisville, KY issued this flash flood warning at Apr 28, 1999, 6:44 PM EDT for Hardin County, Kentucky. It was in force for 61 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
- Apr 28, 1999, 6:44 PM EDT (22:44 UTC)
- Expired
- Apr 28, 1999, 7:45 PM EDT
- In force
- 61 min
- Issued by
- NWS Louisville, KY
- Area
- Whole counties
County Hardin County, KY
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 10.7 hours before the alert went out and 183 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1325 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 130 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 Louisville, KY wrote its last area forecast discussion before this flash flood warning went out at Apr 28, 2:50 PM EDT, 3 hours 54 minutes earlier.
Area forecast discussion, Apr 28, 2:50 PM EDT, 3 hours 54 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LOUISVILLE, KY 250 PM EDT WED APR 28 1999 WARMING OF THE MOIST / LOW LAYERS PLUS COLD AIR SWEEPING IN ALOFT.. HAS INSTIGATED NUMEROUS SHWRS/TSTMS ACRS FA THIS AFTN. MODELS VERY SIMILIAR IN TAKING SRN IL VERTICALLY STACKED LOW SEWD OVNGT INTO TN BY THU MRNG. THE SHORT TERM CONCENTRATION OF PCPN SHUD BE ACRS CNTRL KY/SRN IND NEAR LOW LVL CONVG BNDRY... AXIS OF 1000-2000J/KG CAPES...THETA E RDG AXIS... AND ON NOSE OF WLY JET STREAK. WILL HIT POPS HARD TNGT MUCH OF FA..WITH A DMNSHG TREND NRN PART OF FA AFTER MIDNIGHT. LARGE HAIL AGAIN WILL BE THE PRIMARY SVR WX MODE THRU THE EVNG. TEMPS OK FM FAN/FWC GUIDE. AS TROFFINESS THEN SLIPS SOUTH THRU RGN ON THU...CLDS/PCPN SHUD ALSO SLIP SOUTH WITH TIME. WILL HOLD ONTO SML PCPN CHC SDF-LEX CORRIDOR ERY...AND KEEP CHCS GOING SRN KY ALL DAY. HAVE PLAYED A BIT MORE OF A CONSERVATIVE APPROACH WITH CLEARING NRN SECTIONS THU AFTN...AS SOUNDING INFO STILL SHOWS LINGERING LOW LVL MOIST. AS FLOW BECOMES MORE ANTICYCLONIC WITH TIME AND TROF SLIPS INTO THE DEEP SOUTH... QUIET WX WILL ENCOMPASSE ENTIRE FA FOR THE END OF THE WORK WEEK. H85 THERMAL PTN...PLUS GOING THICKNESSS...SUPPORTS FWC/FAN GUIDE OF COOLING TREND THRU FRI. .SDF...NONE. STUREY
In the hours before
Special weather statement, Apr 28, 5:45 PM EDT, 59 minutes before
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</html>Special weather statement, Apr 28, 5:45 PM EDT, 59 minutes before
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</html>The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 3:43 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson | 32 min |
| Apr 28, 3:45 PM EDT | Severe Thunderstorm Warning | LMK | Nelson, Spencer | 30 min |
| Apr 28, 4:01 PM EDT | Severe Thunderstorm Warning | LMK | Bullitt | 29 min |
| Apr 28, 4:13 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson | 32 min |
| Apr 28, 4:58 PM EDT | Severe Thunderstorm Warning | LMK | Henry, Oldham | 32 min |
| Apr 28, 5:15 PM EDT | Severe Thunderstorm Warning | LMK | Trimble | 25 min |
| Apr 28, 5:41 PM EDT | Severe Thunderstorm Warning | LMK | Hardin, Meade | 29 min |
| Apr 28, 6:45 PM EDT | Severe Thunderstorm Warning | LMK | Adair | 30 min |
| Apr 27, 10:10 PM EDT | Severe Thunderstorm Warning | LMK | Dubois | 45 min |
| Apr 28, 2:22 PM EDT | Severe Thunderstorm Warning | LMK | Perry | 23 min |
| Apr 28, 3:14 PM EDT | Severe Thunderstorm Warning | LMK | Crawford | 46 min |
| Apr 28, 4:01 PM EDT | Severe Thunderstorm Warning | LMK | Crawford, Harrison | 44 min |
| Apr 28, 4:26 PM EDT | Flash Flood Warning | LMK | Crawford | 2 hr |
Nearby
Flash Flood Warnings in Kentucky, 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.