Alert archive / Arkansas / Flash Flood Warnings in 1990
Flash Flood Warning 42, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at May 19, 1990, 10:00 PM CDT for Pike County, Arkansas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 19, 1990, 10:00 PM CDT (03:00 UTC)
- Expired
- May 20, 1990, 1:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Pike County, AR
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
Longview/Gregg, TX (KGGG), launched 00:00Z, 3.0 hours before the alert went out and 220 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.
- Mixed-layer CAPE
- 1308 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 937 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSHV 200301 FFWSHV ARC109-200600- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 1000 PM CDT SAT MAY 19 1990 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SEVERE THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 100 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS.. IN SOUTHWEST ARKANSAS ...PIKE COUNTY SHREVEPORT WEATHER RADAR AT 955 PM SHOWED YET ANOTHER SEVERE THUNDERSTORM OVER PIKE COUNTY JUST SOUTHWEST OF MURFREESBORO MOVING TO THE EASTNORTHEAST NEAR 25 MPH. THIS IS THE THIRD SEVERE THUNDERSTORM TO MOVE OVER PIKE COUNTY OVER THE LAST THREE HOURS...THE PREVIOUS TWO STORMS PRODUCED PRODUCED HIGHS WINDS DOWNING TREES AND SPOTTY HAIL UP TO ONE INCH IN DIAMETER ALONG WITH HEAVY RAINFALL. THE NEW SEVERE THUNDERSTORM WILL LIKELY PRODUCE SIMILER CONDITIONS...THUS ALONG WITH THE THREAT OF SEVERE WEATHER...FLASH FLOODING WILL LIKELY OCCUR WITH RAINFALL AMOUNTS POSSIBLY EXCEEDING FOUR INCHES. SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF WESTERN ARKANSAS. TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF EASTERN OKLAHOMA. THESE STORMS ARE PART OF A BAND OF THUNDERSTORMS FROM NORTHWEST OF LITTLE ROCK THROUGH THE HOT SPRINGS GLENWOOD MURFREESBORO AREA.. INTO OKLAHOMA TO 40 MILES NORTH OF BROKEN BOW TO SOUTHEAST OF MC- ALESTER.
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
Special weather statement, May 19, 5:23 PM CDT, 4 hours 37 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002- 003-004-005-006- 200015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 520 PM CDT SAT MAY 19 1990 THE SHREVEPORT WEATHER RADAR AT 517 PM SHOWED STRONG THUNDERSTORMS DEVELOPING OVER SOUTHWESTERN ARKANSAS...ONE LOCATED OVER NORTHERN HOWARD COUNTY AND ANOTHER LOCATED OVER CENTRAL HOWARD COUNTY NORTH- WEST OF NASHVILLE. MOVEMENT WAS TO THE EASTNORTHEAST NEAR 30 MPH. ELSEWHERE...THUNDERSTORMS WERE DEVELOPING OVER TEXAS TO THE SOUTHEAST OF THE DALLAS AREA. THESE STORMS WILL LIKELY MOVE INTO NORTHEAST TEXAS LATER TONIGHT. A TORNADO WATCH IS IN EFFECT FOR MUCH OF EASTERN AND SOUTHEASTERN OKLAHOMA...INCLUDING MC CURTAIN COUNTY. PERSONS IN OR CLOSE TO THE TORNADO WATCH AREA SHOULD WATCH FOR RAPIDLY CHANGING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS OR WARNINGS.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:15 PM CDT | Severe Thunderstorm Warning | SHV | Hempstead, Pike | 60 min |
| May 19, 8:13 PM CDT | Severe Thunderstorm Warning | SHV | Howard, Pike | 62 min |
| May 19, 9:15 PM CDT | Severe Thunderstorm Warning | SHV | Pike | 45 min |
| May 19, 10:00 PM CDT | Severe Thunderstorm Warning | SHV | Pike | 3 hr |
| May 20, 1:00 AM CDT | Flash Flood Warning | SHV | Pike | 3 hr |
| May 20, 1:00 AM CDT | Severe Thunderstorm Warning | SHV | Nevada | 2 hr |
| May 20, 1:00 AM CDT | Severe Thunderstorm Warning | SHV | Pike | 3 hr |
| May 20, 2:20 AM CDT | Tornado Warning | SHV | Little River, Sevier | 40 min |
| May 20, 4:09 AM CDT | Flash Flood Warning | SHV | Nevada, Pike | 3 hr |
Nearby
Flash Flood Warnings in Arkansas, 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.