Alert archive / Louisiana / Flash Flood Warnings in 1994
Flash Flood Warning 4, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at May 15, 1994, 2:37 AM CDT for De Soto Parish, Louisiana; Panola County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- May 15, 1994, 2:37 AM CDT (07:37 UTC)
- Expired
- May 15, 1994, 6:45 AM CDT
- In force
- 4 hr
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties De Soto Parish, LA, Panola County, TX
The nearest sounding before it
Longview/Gregg, TX (KGGG), launched 00:00Z, 7.6 hours before the alert went out and 61 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
- 3217 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 876 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSHV 150737 FFWSHV LAC015-017-031-TXC203-365-151145- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 237 AM CDT SUN MAY 15 1994 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 645 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST LOUISIANA ...BOSSIER PARISH...CADDO PARISH...DESOTO PARISH IN NORTHEAST TEXAS ...HARRISON COUNTY...PANOLA COUNTY AT 230 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A 25 MILE WIDE AREA OF THUNDERSTORMS THAT WERE PRODUCING HEAVY RAINS THAT EXTENDED FROM NEAR SIBLEY LOUISIANA ACROSS STONEWALL LOUISIANA TO LONGVIEW TEXAS. MOVEMENT WAS EAST NEAR 25 MILES AN HOUR. THHE SHOWERS AND THUNDERSTORMS CONTINUED TO SPREAD ACROSS THE SAME GENERAL AREA WHILE REDEVELOPMENT OCCURRED IN THE WAKE OF THE BAND. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF F.LOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
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 15, 1:40 AM CDT, 57 minutes before
OKZ076-077-049-053-TXZ095-097-TXZ106>112-TXZ124>126-136>138-149>153- 166-167-ARZ050>053-ARZ059>061-ARZ066-ARZ070>073-LAZ001>027-150730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 140 AM CDT SUN MAY 15 1994 ...A SEVERE THUNDERSTORM WATCH REMAINED IN EFFECT FOR PARTS OF SOUTHERN ARKANSAS...NORTH LOUISIANA AND NORTHEAST TEXAS UNTIL 300 AM CDT.. AT 135 AM CDT NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED STRONG THUNDERSTORMS IN A 15 MILE WIDE BAND THAT EXTENDED FROM NEAR BENTON LOUISIANA TO NEAR DE BERRY TEXAS. ANOTHER 15 MILE WIDE BAND OF STRONG THUNDERSTORMS EXTENDED FROM NEAR HAYNESVILLE LOUISIANA TO NEAR RINGGOLD LOUISIANA. ANOTHER STRONG STORM WAS NEAR DUBACH LOUISIANA. THESE STORMS WERE WITHIN A 90 MILE WIDE AREA OF SHOWERS AND THUNDER- STORMS THAT EXTENDED FROM NEAR GREENVILLE MISSISSIPPI ACROSS CAMDEN ARKANSAS TO NEAR REKLAW TEXAS. MOVEMENT OF THE SHOWERS AND THUNDERSTORMS WAS EAST NEAR 30 MILES AN HOUR. > THE STRONG THUNDERSTORMS WERE PRODUCING GUSTY WINDS OF 25 TO 35 MPH... BRIEF HEAVY RAINS IN EXCESS OF ONE INCH AND FREQUENT LIGHTNING. SOME OF THE THUNDERSTORMS WERE TRACKING OVER AREA THAT EARLIER IN THE NIGHT RECEIVED 1/2 TO ONE INCH RAINS. RAINFALL AMOUNTS OF ONE TO TWO INCHES WILL LIKELY BE REPORTED AND SOME STREET FLOODING WILL LIKELY OCCUR. A FLASH FLOOD WATCH REMAINED IN EFFECT TONIGHT FOR PORTIONS OF NORTHEAST TEXAS.
Special weather statement, May 15, 1:41 AM CDT, 56 minutes before
OKZ076-077-049-053-TXZ095-097-TXZ106>112-TXZ124>126-136>138-149>153- 166-167-ARZ050>053-ARZ059>061-ARZ066-ARZ070>073-LAZ001>027-150730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 140 AM CDT SUN MAY 15 1994 ...A SEVERE THUNDERSTORM WATCH REMAINED IN EFFECT FOR PARTS OF SOUTHERN ARKANSAS...NORTH LOUISIANA AND NORTHEAST TEXAS UNTIL 300 AM CDT.. AT 135 AM CDT NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED STRONG THUNDERSTORMS IN A 15 MILE WIDE BAND THAT EXTENDED FROM NEAR BENTON LOUISIANA TO NEAR DE BERRY TEXAS. ANOTHER 15 MILE WIDE BAND OF STRONG THUNDERSTORMS EXTENDED FROM NEAR HAYNESVILLE LOUISIANA TO NEAR RINGGOLD LOUISIANA. ANOTHER STRONG STORM WAS NEAR DUBACH LOUISIANA. THESE STORMS WERE WITHIN A 90 MILE WIDE AREA OF SHOWERS AND THUNDER- STORMS THAT EXTENDED FROM NEAR GREENVILLE MISSISSIPPI ACROSS CAMDEN ARKANSAS TO NEAR REKLAW TEXAS. MOVEMENT OF THE SHOWERS AND THUNDERSTORMS WAS EAST NEAR 30 MILES AN HOUR. > SOME OF THE THUNDERSTORMS WERE TRACKING OVER AREA THAT EARLIER IN THE NIGHT RECEIVED 1/2 TO ONE INCH RAINS. RAINFALL AMOUNTS OF ONE TO TWO INCHES WILL LIKELY BE REPORTED AND SOME STREET FLOODING WILL LIKELY OCCUR. A FLASH FLOOD WATCH REMAINED IN EFFECT TONIGHT FOR PORTIONS OF NORTHEAST TEXAS.
Special weather statement, May 15, 1:48 AM CDT, 49 minutes before
OKZ076-077-049-053-TXZ095-097-TXZ106>112-TXZ124>126-136>138-149>153- 166-167-ARZ050>053-ARZ059>061-ARZ066-ARZ070>073-LAZ001>027-150730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 140 AM CDT SUN MAY 15 1994 ...A SEVERE THUNDERSTORM WATCH REMAINED IN EFFECT FOR PARTS OF SOUTHERN ARKANSAS...NORTH LOUISIANA AND NORTHEAST TEXAS UNTIL 300 AM CDT.. AT 135 AM CDT NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED STRONG THUNDERSTORMS IN A 15 MILE WIDE BAND THAT EXTENDED FROM NEAR BENTON LOUISIANA TO NEAR DE BERRY TEXAS. ANOTHER 15 MILE WIDE BAND OF STRONG THUNDERSTORMS EXTENDED FROM NEAR HAYNESVILLE LOUISIANA TO NEAR RINGGOLD LOUISIANA. ANOTHER STRONG STORM WAS NEAR DUBACH LOUISIANA. THESE STORMS WERE WITHIN A 90 MILE WIDE AREA OF SHOWERS AND THUNDER- STORMS THAT EXTENDED FROM NEAR GREENVILLE MISSISSIPPI ACROSS CAMDEN ARKANSAS TO NEAR REKLAW TEXAS. MOVEMENT OF THE SHOWERS AND THUNDERSTORMS WAS EAST NEAR 30 MILES AN HOUR. > THE STRONG THUNDERSTORMS WERE PRODUCING GUSTY WINDS OF 25 TO 35 MPH... BRIEF HEAVY RAINS IN EXCESS OF ONE INCH AND FREQUENT LIGHTNING. SOME OF THE THUNDERSTORMS WERE TRACKING OVER AREA THAT EARLIER IN THE NIGHT RECEIVED 1/2 TO ONE INCH RAINS. RAINFALL AMOUNTS OF ONE TO TWO INCHES WILL LIKELY BE REPORTED AND SOME STREET FLOODING WILL LIKELY OCCUR. A FLASH FLOOD WATCH REMAINED IN EFFECT TONIGHT FOR PORTIONS OF NORTHEAST TEXAS.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 7:20 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 70 min |
| May 14, 8:25 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Webster | 65 min |
| May 14, 10:43 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 62 min |
| May 15, 12:03 AM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 57 min |
| May 14, 7:20 PM CDT | Severe Thunderstorm Warning | SHV | Harrison | 70 min |
| May 14, 7:50 PM CDT | Severe Thunderstorm Warning | SHV | Cass, Marion | 55 min |
| May 14, 8:25 PM CDT | Severe Thunderstorm Warning | SHV | Rusk | 65 min |
| May 14, 8:56 PM CDT | Severe Thunderstorm Warning | SHV | Harrison, Marion | 64 min |
| May 14, 8:56 PM CDT | Severe Thunderstorm Warning | SHV | Cass | 64 min |
| May 14, 9:41 PM CDT | Severe Thunderstorm Warning | SHV | Bowie, Cass | 64 min |
| May 14, 10:25 PM CDT | Tornado Warning | SHV | Cass | 50 min |
| May 14, 10:37 PM CDT | Severe Thunderstorm Warning | SHV | Marion | 38 min |
| May 14, 11:14 PM CDT | Severe Thunderstorm Warning | SHV | Cass, Marion | 61 min |
| May 15, 12:03 AM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison | 57 min |
| May 15, 2:37 AM CDT | Flash Flood Warning | SHV | Harrison | 4 hr |
| May 15, 2:37 AM CDT | Flash Flood Warning | SHV | Harrison, Panola | 3 hr |
Nearby
Flash Flood Warnings in Louisiana, 1994Flash Flood Warnings in Texas, 1994Every flash flood warning in 1994
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.