Alert archive / Arkansas / Flash Flood Warnings in 1998

Flash Flood Warning 13, NWS Little Rock, AR

June 13, 1998Montgomery County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Jun 13, 1998, 2:01 AM CDT for Montgomery 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
Jun 13, 1998, 2:01 AM CDT (07:01 UTC)
Expired
Jun 13, 1998, 5:05 AM CDT
In force
3 hr
Issued by
NWS Little Rock, AR
Area
Whole counties

County Montgomery County, AR

The radar

The Western Arkansas radar (KSRX), 105 km from the middle of the area, began a volume at 07:03 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 7.0 hours before the alert went out and 229 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, Shreveport, LA at 00:00Z on 1998-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3210 joules per kilogram.LCLEL10008507005003002001001 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, Shreveport, LA at 00:00Z on 1998-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
3210 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1581 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.4
Supercell composite
6.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLIT 130658
FFWLIT
ARC097-131005-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
201 AM CDT SAT JUN 13 1998

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MONTGOMERY COUNTY IN WESTERN ARKANSAS

* UNTIL 505 AM CDT

*THUNDERSTORMS WITH HEAVY RAIN CONTINUE TO MOVE ACROSS PORTIONS OF
MONTGOMERY COUNTY. RADAR ESTIMATES OF RAINFALL THE PAST FEW HOURS
INDICATE THAT ALMOST THREE2 INCHES OF RAIN HAS FALLEN IN THE AREA.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF YOU ENCOUNTER WATER ACROSS A ROAD...TURN
AROUND AND GO THE OTHER WAY.

34

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, Jun 13, 12:20 AM CDT, 1 hour 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1220 AM CDT SAT JUN 13 1998

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

1155 PM    WALDRON                   AR   WIND DAMAGE
06/12/98   SCOTT                          TREES AND POWER LINES
                                          DOWN.

28
Local storm report, Jun 13, 12:20 AM CDT, 1 hour 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1220 AM CDT SAT JUN 13 1998

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

1155 PM    WALDRON                   AR   WIND DAMAGE
06/12/98   SCOTT                          TREES AND POWER LINES
                                          DOWN.

28

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 11:33 PM CDTSevere Thunderstorm WarningLZKScott47 min
Jun 13, 12:40 AM CDTSevere Thunderstorm WarningLZKMontgomery, Scott65 min
Jun 13, 12:53 AM CDTSevere Thunderstorm WarningLZKGarland47 min
Jun 13, 1:32 AM CDTSevere Thunderstorm WarningLZKHot Spring48 min
Jun 13, 2:57 AM CDTSevere Thunderstorm WarningLZKMontgomery48 min
Jun 13, 4:40 AM CDTFlash Flood WarningLZKHot Spring3 hr

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; radar from the NEXRAD Level II archive.