Alert archive / Indiana / Flash Flood Warnings in 1990

Flash Flood Warning 41, NWS Indianapolis, IN

July 5, 1990Dubois County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jul 5, 1990, 6:06 PM EST for Dubois County, Indiana. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jul 5, 1990, 6:06 PM EST (23:06 UTC)
Expired
Jul 5, 1990, 8:15 PM EST
In force
2 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Dubois 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, 11.1 hours before the alert went out and 215 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 1990-07-05Temperature 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 1990-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.1939Sfc1 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
3 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KEVV 052306
FFWEVV
INC037-060115-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EVANSVILLE IN
606 PM CDT (606 PM EST) THU JUL 5 1990
 
THE NATIONAL WEATHER SERVICE IN EVANSVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  815 PM CDT (815 PM EST)
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHWEST INDIANA
          ...DUBOIS
 
SEVERE THUNDERSTORMS HAVE PRODUCED LARGE AMOUNTS OF RAIN DURING THE
PAST HOUR. THE DUBOIS COUNTY CIVIL DEFENSE REPORTED THAT ROADS WERE
FLOODING IN JASPER AND WATER WAS A FOOT AND A HALF DEEP IN SOME AREAS.
AT 600 PM CDT...RADAR INDICATED STRONG THUNDERSTORMS WITH VERY HEAVY
RAIN WILL BE MOVING ACROSS DUBOIS COUNTY FOR THE NEXT HOUR TO TWO.
 
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.
SPODEN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 5:04 PM ESTSevere Thunderstorm WarningINDDaviess41 min
Jul 5, 5:17 PM ESTSevere Thunderstorm WarningINDDubois43 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.