Alert archive / Indiana / Flash Flood Warnings in 1990

Flash Flood Warning 22, NWS Indianapolis, IN

May 16, 1990Posey County, Vanderburgh County, Indiana

NWS Indianapolis, IN issued this flash flood warning at May 16, 1990, 2:47 PM CDT for Posey County, Vanderburgh County, Indiana. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
May 16, 1990, 2:47 PM CDT (19:47 UTC)
Expired
May 16, 1990, 6:45 PM CDT
In force
4 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Posey County, IN, Vanderburgh County, IN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 7.8 hours before the alert went out and 136 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.

Skew-T log-pSkew-T log-p diagram, Paducah/Barkley, KY at 12:00Z on 1990-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Paducah/Barkley, KY at 12:00Z on 1990-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 291 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
291 m²/s²
0-3 km storm-relative helicity
279 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KEVV 161947
FFWEVV
INC129-163-162345-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EVANSVILLE IN
247 PM CDT WED MAY 16 1990
 
THE NATIONAL WEATHER SERVICE IN EVANSVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  645 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHWEST INDIANA
          ...POSEY...VANDERBURGH
 
AT 245 PM CDT...RADAR INDICATED THUNDERSTORMS WITH HEAVY RAIN MOVING
BACK INTO EXTREME SOUTHWEST INDIANA. THESE THUNDERSTORMS WILL PRODUCE
FLASH FLOODING OVER THE AREA AS THEY MOVE NORTHEAST AT 45 MILES AN
HOUR. IT IS POSSIBLE TO RECEIVE 2 TO 4 INCHES OF RAIN PER HOUR FROM
THESE THUNDERSTORMS.
 
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  IT'S
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS SHOULD
AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.
SPODEN

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 8:26 PM CDTFlash Flood WarningINDHendricks3 hr
May 15, 8:46 PM CDTFlash Flood WarningINDHancock, Marion3 hr
May 15, 8:46 PM CDTFlash Flood WarningINDPutnam3 hr
May 15, 9:45 PM CDTSevere Thunderstorm WarningINDPike30 min
May 15, 10:47 PM CDTSevere Thunderstorm WarningINDDelaware43 min
May 16, 3:21 AM CDTSevere Thunderstorm WarningINDVigo39 min
May 16, 4:12 AM CDTSevere Thunderstorm WarningINDGreene, Owen33 min
May 16, 5:29 AM CDTFlash Flood WarningINDMarion71 min
May 16, 12:26 PM CDTFlash Flood WarningINDGibson, Vanderburgh, Warrick2 hr
May 16, 12:26 PM CDTFlash Flood WarningINDPosey2 hr
May 16, 1:50 PM CDTFlash Flood WarningINDDubois4 hr
May 16, 6:05 PM CDTFlash Flood WarningINDDubois115 min

Nearby

Flash Flood Warnings in Indiana, 1990Every flash flood warning in 1990

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.