Alert archive / Arkansas / Flash Flood Warnings in 1998

Flash Flood Warning 20, NWS Shreveport, LA

May 28, 1998Lafayette County, Arkansas

NWS Shreveport, LA issued this flash flood warning at May 28, 1998, 6:51 AM CDT for Lafayette County, Arkansas. It was in force for 4 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: May 28, 1998, 6:51 AM CDT (11:51 UTC)
Expired: May 28, 1998, 10:50 AM CDT
In force: 4 hr
Issued by: NWS Shreveport, LA
Area: Whole counties

County Lafayette County, AR

The radar

The Shreveport radar (KSHV), 91 km from the middle of the area, began a volume at 11:53 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, 11.9 hours before the alert went out and 86 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1598 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 1050 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 282 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 12.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSHV 281152
FFWSHV
ARC073-281550-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
651 AM CDT THU MAY 28 1998

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LAFAYETTE COUNTY IN SOUTHWESTERN ARKANSAS

* UNTIL 1050 AM CDT

* AT 645 AM CDT... THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER
  RADAR INDICATED A 20 TO 30 MILE WIDE BAND OF THUNDERSTORMS WITH
  VERY HEAVY RAINS FROM STAMPS AND CANFIELD TO TEXARKANA. THIS BAND
  WAS NEARLY STATIONARY WHILE THE INDIVIDUAL STORMS WERE MOVING EAST
  AT 20 MPH OVER THE SAME GENERAL AREA.

* RADAR ESTIMATES THAT FROM TWO TO SIX INCHES OF RAIN HAS FALLEN
  ACROSS THE NORTHERN HALF OF THE COUNTY DURING THE PAST FEW HOURS
  AND THAT ANOTHER TWO TO FOUR INCHES IS POSSIBLE DURING THE NEXT
  SEVERAL HOURS

THUNDERSTORMS HAVE BEEN FORMING AND MOVING REPEATEDLY OVER THE SAME
AREA. FLASH FLOODING IS LIKELY. DO NOT DRIVE YOU VEHICLE INTO AREAS
WHERE WATER COVERS THE ROAD. IN AREAS OF HIGH WATER...DO NOT LET
CHILDREN PLAY AROUND STORM DRAINS OR CULVERTS.

IV

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 Shreveport, LA wrote its last area forecast discussion before this flash flood warning went out at May 28, 3:30 AM CDT, 3 hours 21 minutes earlier.

Area forecast discussion, May 28, 3:30 AM CDT, 3 hours 21 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
330 AM CDT THU MAY 28 1998

CONVECTIVELY INDUCED VORT MAX OVER SW ARKANSAS MOVING SLOWLY E WITH
FLASH FLOODING OCCURRING IN SW ARKANSAS. MODELS SIMILAR THROUGH 12H
WITH PLACEMENT OF 5H LOW STILL OVER SW ARKANSAS WITH ETA SLOWER AND
STRONGER VORT MAX. BEST LIFT DURING THE DAY SHOULD BE OVER SOUTH
CENTRAL ARKANSAS AND NORTHEAST LOUISIANA PER SELS OUTLOOK. AT 24 HOURS
ETA KEEPS 5H LOW OVER SOUTH CENTRAL ARKANSAS AND NGM WEAKENS LOW AND
MOVES IT INTO EASTERN ARKANSAS. AT 36 HOURS 5H LOW STILL IN SOUTH
CENTRAL ARKANSAS WITH WEAKENED VORT MAX AND STILL SOME LIFT. BELIEVE
ETA HAS BETTER HANDLE WITH SLOW MOVEMENT AND WILL PUT CHANCE POPS IN
NE LA THROUGH FRIDAY MORNING WITH PRECIP OUT OF NW LOUISIANA BY
FRIDAY AFTERNOON. NGM TEMPS TOO WARM FOR SHV FRI OTHERWISE POPS LOOK
GOOD.

SHV 89/69/91 3110    MLU 91/70/91 4321  09

In the hours before

Local storm report, May 28, 2:30 AM CDT, 4 hours 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
230 AM CDT THU MAY 28 1998

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

0150 AM    10 NW NASHVILLE           AR   FLOODING
05/28/98   HOWARD                         HIGHWAY FOUR WAS UNDER
                                          WATER WITH THE ROAD
                                          BARRICADED AND NUMEROUS
                                          COUNTY ROADS WERE REPORTED
                                          UNDER WATER
.
0150 AM    2 N NASHVILLE             AR   FLOODING
05/28/98   HOWARD                         WATER IN HOMES

0200 AM    5 SW NASHVILLE            AR   FLOODING
05/28/98   HOWARD                         NUMEROUS ROADS FLOODED IN
                                          MINERAL SPRINGS...WITH
                                          6.95 INCHES OF RAIN SINCE
                                          700 AM WEDNESDAY WITH 3.20
                                          BETWEEN MIDNIGHT AND 200
                                          AM

0215 AM    NASHVILLE                 AR   FLOODING
05/28/98   HOWARD                         WATER REPORTED IN SEVERAL
                                          BUILDINGS AND HOUSES

Local storm report, May 28, 2:30 AM CDT, 4 hours 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
230 AM CDT THU MAY 28 1998

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

0150 AM    10 NW NASHVILLE           AR   FLOODING
05/28/98   HOWARD                         HIGHWAY FOUR WAS UNDER
                                          WATER WITH THE ROAD
                                          BARRICADED AND NUMEROUS
                                          COUNTY ROADS WERE REPORTED
                                          UNDER WATER

0150 AM    2 N NASHVILLE             AR   FLOODING
05/28/98   HOWARD                         WATER IN HOMES

0200 AM    5 SW NASHVILLE            AR   FLOODING
05/28/98   HOWARD                         NUMEROUS ROADS FLOODED IN
                                          MINERAL SPRINGS...WITH
                                          6.95 INCHES OF RAIN SINCE
                                          700 AM WEDNESDAY WITH 3.20
                                          BETWEEN MIDNIGHT AND 200
                                          AM THIS THURSDAY MORNING

0215 AM    NASHVILLE                 AR   FLOODING
05/28/98   HOWARD                         WATER REPORTED IN SEVERAL
                                          BUILDINGS AND HOUSES

IV

Local storm report, May 28, 4:36 AM CDT, 2 hours 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
436 AM CDT THU MAY 28 1998

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

0330 AM    BINGEN                    AR   FLOODING
05/28/98   HEMPSTEAD                      A FAMILY TRAPPED IN A
                                          TRAILER OFF HWY 27N NEAR
                                          BINGEN

0330 AM    HOPE                      AR   FLOODING
05/28/98   HEMPSTEAD                      HWY 29 SOUTH CLOSED DUE TO
                                          HIGH WATER

0335 AM    2 N FULTON                AR   FLOODING
05/28/98   HEMPSTEAD                      18 WHEELER TURNED OVER DUE
                                          TO HIGH WATER OVER HWY 355
.
0335 AM    FULTON                    AR   FLOODING
05/28/98   HEMPSTEAD                      I-30 WAS CLOSED DUE TO
                                          HIGH WATER

0340 AM    OZAN                      AR   FLOODING
05/28/98   HEMPSTEAD                      BRIDGE WASHED OUT ON HWY 4

IV

Local storm report, May 28, 4:36 AM CDT, 2 hours 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
436 AM CDT THU MAY 28 1998

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

0330 AM    BINGEN                    AR   FLOODING
05/28/98   HEMPSTEAD                      A FAMILY TRAPPED IN A
                                          TRAILER OFF HWY 27N NEAR
                                          BINGEN

0330 AM    HOPE                      AR   FLOODING
05/28/98   HEMPSTEAD                      HWY 29 SOUTH CLOSED DUE TO
                                          HIGH WATER

0335 AM    2 N FULTON                AR   FLOODING
05/28/98   HEMPSTEAD                      18 WHEELER TURNED OVER DUE
                                          TO HIGH WATER OVER HWY 355
.
0335 AM    FULTON                    AR   FLOODING
05/28/98   HEMPSTEAD                      I-30 WAS CLOSED DUE TO
                                          HIGH WATER

0340 AM    OZAN                      AR   FLOODING
05/28/98   HEMPSTEAD                      BRIDGE WASHED OUT ON HWY 4

IV

Local storm report, May 28, 5:09 AM CDT, 1 hour 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
509 AM CDT THU MAY 28 1998

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

0335 AM    STAMPS                    AR   .88 INCH HAIL
05/28/98   LAFAYETTE

0345 AM    WALDO                     AR   .75 INCH HAIL
05/28/98   COLUMBIA

0355 AM    1 E TEXARKANA             AR   .75 INCH HAIL
05/28/98   MILLER

IV

Local storm report, May 28, 5:09 AM CDT, 1 hour 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
509 AM CDT THU MAY 28 1998

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

0335 AM    STAMPS                    AR   .88 INCH HAIL
05/28/98   LAFAYETTE

0345 AM    WALDO                     AR   .75 INCH HAIL
05/28/98   COLUMBIA

0355 AM    1 E TEXARKANA             AR   .75 INCH HAIL
05/28/98   MILLER

IV

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 28, 1:17 AM CDT	Flash Flood Warning	SHV	Howard	4 hr
May 28, 1:57 AM CDT	Flash Flood Warning	SHV	Hempstead	4 hr
May 28, 3:15 AM CDT	Severe Thunderstorm Warning	SHV	Lafayette	35 min
May 28, 3:36 AM CDT	Severe Thunderstorm Warning	SHV	Columbia	34 min
May 28, 3:49 AM CDT	Severe Thunderstorm Warning	SHV	Miller	36 min
May 28, 4:07 AM CDT	Severe Thunderstorm Warning	SHV	Nevada	48 min
May 28, 4:48 AM CDT	Flash Flood Warning	SHV	Miller	3 hr
May 28, 6:27 AM CDT	Flash Flood Warning	SHV	Columbia	4 hr
May 28, 8:18 AM CDT	Severe Thunderstorm Warning	SHV	Miller	32 min
May 28, 12:41 PM CDT	Flash Flood Warning	SHV	Miller	3 hr
May 28, 3:06 PM CDT	Flash Flood Warning	SHV	Miller	3 hr
May 28, 6:23 PM CDT	Severe Thunderstorm Warning	SHV	Columbia	47 min

Nearby

Flash Flood Warnings in Arkansas, 1998 Every 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.