Alert archive / Arkansas / Flash Flood Warnings in 1998

Flash Flood Warning 31, NWS Little Rock, AR

August 8, 1998Johnson County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Aug 8, 1998, 2:15 PM CDT for Johnson County, Arkansas. 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
Aug 8, 1998, 2:15 PM CDT (19:15 UTC)
Expired
Aug 8, 1998, 5:20 PM CDT
In force
3 hr
Issued by
NWS Little Rock, AR
Area
Whole counties

County Johnson County, AR

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.3 hours before the alert went out and 151 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, Springfield, MO at 12:00Z on 1998-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 320 joules per kilogram.LCLLFCEL10008507005003002001001 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, Springfield, MO at 12:00Z on 1998-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 square meters per square second.193958Sfc1 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
320 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1387 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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.

In the hours before

Local storm report, Aug 8, 2:05 PM CDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
205 PM CDT SAT AUG 8 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0200 P*M    OZONE                     AR   0.75 INCH HAIL
08/08/98   JOHNSON

25
Local storm report, Aug 8, 2:10 PM CDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
210 PM CDT SAT AUG 8 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0200 PFM    OZONE                     AR   0.75 INCH HAIL
08/08/98   JOHNSON

0205 PM    OZONE                     AR   1.00 INCH HAIL
08/08/98   JOHNSON

25

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 8, 1:14 PM CDTSevere Thunderstorm WarningLZKJohnson66 min
Aug 8, 2:24 PM CDTSevere Thunderstorm WarningLZKJohnson61 min
Aug 8, 2:53 PM CDTSevere Thunderstorm WarningLZKPope62 min
Aug 8, 3:02 PM CDTSevere Thunderstorm WarningLZKFaulkner63 min
Aug 8, 3:38 PM CDTSevere Thunderstorm WarningLZKCleburne62 min
Aug 8, 3:45 PM CDTSevere Thunderstorm WarningLZKYell65 min
Aug 8, 3:52 PM CDTSevere Thunderstorm WarningLZKPerry63 min
Aug 8, 3:55 PM CDTSevere Thunderstorm WarningLZKWhite65 min
Aug 8, 4:15 PM CDTSevere Thunderstorm WarningLZKGarland50 min
Aug 8, 4:29 PM CDTSevere Thunderstorm WarningLZKPulaski51 min
Aug 8, 4:53 PM CDTSevere Thunderstorm WarningLZKSaline47 min
Aug 8, 5:15 PM CDTSevere Thunderstorm WarningLZKGarland35 min
Aug 8, 5:27 PM CDTSevere Thunderstorm WarningLZKHot Spring48 min
Aug 8, 5:32 PM CDTSevere Thunderstorm WarningLZKMontgomery, Pike48 min
Aug 8, 5:38 PM CDTSevere Thunderstorm WarningLZKPolk47 min
Aug 8, 5:47 PM CDTSevere Thunderstorm WarningLZKGrant48 min
Aug 8, 6:08 PM CDTSevere Thunderstorm WarningLZKClark52 min
Aug 8, 6:16 PM CDTSevere Thunderstorm WarningLZKMarion49 min
Aug 8, 6:19 PM CDTSevere Thunderstorm WarningLZKPike51 min
Aug 8, 6:23 PM CDTSevere Thunderstorm WarningLZKPolk47 min
Aug 8, 6:27 PM CDTSevere Thunderstorm WarningLZKDallas63 min
Aug 8, 6:29 PM CDTSevere Thunderstorm WarningLZKBaxter51 min
Aug 8, 6:38 PM CDTSevere Thunderstorm WarningLZKGrant32 min
Aug 8, 6:49 PM CDTSevere Thunderstorm WarningLZKBoone51 min

Nearby

Flash Flood Warnings in Arkansas, 1998Every flash flood warning in 1998

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.