Alert archive / Texas / Tornado Warnings in 1991
Tornado Warning 9, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Apr 27, 1991, 3:15 PM CDT for Cass County, Texas. It was in force for 60 min. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 27, 1991, 3:15 PM CDT (20:15 UTC)
- Expired
- Apr 27, 1991, 4:15 PM CDT
- In force
- 60 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Cass County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 27, 3:20 PM CDT | Hail 1.75 | Cass, TX | |
| Apr 27, 3:50 PM CDT | Tornado F1 | Cass, TX | |
| Apr 27, 4:10 PM CDT | Hail 1.75 | Cass, TX | |
| Apr 27, 4:25 PM CDT | Hail 1.75 | Cass, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Longview/Gregg, TX (KGGG), launched 12:00Z, 8.3 hours before the alert went out and 84 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
- 2643 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 600 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 266 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 3.4
- Supercell composite
- 15.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSHV 272017 TORSHV TXC067-272115- BULLETIN...EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 315 PM CDT SAT APR 27 1991 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 415 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY IN NORTHEAST TEXAS... CASS COUNTY AT 313 PM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A POSSIBLE TORNADO 5 MILES WEST SOUTHWEST OF LINDEN TEXAS. THE PARENT SEVERE THUNDERSTORM WAS MOVING TOWARD THE NORTHEAST AT 30 MPH. PERSONS IN THE PATH OF THIS TORNADO SHOULD SEEK SHELTER IN A PERMANENT STRUCTURE ON THE LOWEST FLOOR IN AN INTERIOR SMALL ROOM. GET UNDER A PIECE OF HEAVY FURNITURE OR COVER YOURSELF WITH SOMETHING TO PROTECT AGAINST FLYING OR FALLING DEBRIS. A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF NORTHEAST TEXAS AND ADJACENT AREAS OF NORTHWEST LOUISIANA AND SOUTHWEST ARKANSAS.
What forecasters said that day
The local office's own words before this tornado 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, Apr 27, 10:19 AM CDT, 4 hours 56 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001- 002-003-004-005-006-271800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 1020 AM CDT SAT APR 27 1991 ...THE TORNADO WATCH HAS EXPIRED FOR NORTHEAST TEXAS..SOUTHEAST OKLAHOMA ..SOUTHERN ARKANSAS..AND NORTH LOUISIANA... ...SHOWERS AND THUNDERSTORMS CONTINUED OVER SOUTH ARKANSAS AND EXTREME NORTH LOUISIANA... AT 1012 AM CDT WEATHER SERVICE RADARS IN LONGVIEW AND SHREVEPORT SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS OVER SOUTH ARKANSAS AND NORTH LOUISIANA FROM NEAR SPRING HILL LOUISIANA AND MAGNOLIA EAST TO NEAR HAMBURG ARKANSAS AND ALONG THE ARKANSAS/LOUISIANA STATE LINE SOUTH OF HUTTIG ARKANSAS. THE STRONGER STORMS WERE INDICATED ALONG THE LOUISIANA/ ARKANSAS STATE LINE NEAR HAYNESVILLE LOUISIANA AND SOUTHEAST OF MAGNOLIA ARKANSAS. THE STRONGER STORMS WILL MOST LIKELY PRODUCE WINDS OF NEAR 40 MPH..FREQUENT LIGHTNING..AND HEAVY RAINS. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE EAST AT NEAR 30 MPH. . SHOWERS AND THUNDERSTORMS WILL MOST LIKELY RE-DEVELOP OVER EAST TEXAS LATER SATURDAY AFTERNOON AND SPREAD EAST ACROSS LOUISIANA.
Local storm report, Apr 27, 12:00 PM CDT, 3 hours 15 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1159 AM CDT SAT APR 27 1991
STORM REPORTS FOR FRIDAY APRIL 26 1991 .. TIMES IN CDT.
TIME CDT CNTY/PRSH ST EVENT/LOCATION/DAMAGE
6:55 PM RUSK TX .. FUNNEL CLOUD REPORTED AT TURNERTOWN
6:58 PM RUSK TX .. NUMEROUS TREES DOWNED AND FUNNEL CLOUD
REPORTED NEAR OAK HILL TEXAS.
7:45 PM RUSK TX .. HAIL LARGER THAN GOLF BALL SIZE AT NEW
LONDON AND OVERTON TEXAS.
7:50 PM RUSK TX .. MARBLE SIZE HAIL AT OVERTON TEXAS.
7:51 PM RUSK TX .. STATE POLICE REPORTS FUNNEL CLOUD IN
TURNERTOWN.
7:54 PM RUSK TX .. TORNADO ALONG FARM TO MARKET ROAD 13
NEAR HENDERSON TEXAS. TREES DOWN AND
BARNS DAMAGED.
8:00 PM RUSK TX .. TORNADO BETWEEN HENDERSON AND CYRIL
ALONG HIGHWAY 64.
8:05 PM RUSK TX .. MARBLE SIZE HAIL HIGHWAY 42 NEAR NEW
LONDON.
8:09 PM RUSK TX .. FUNNEL CLOUD SOUTHEAST OF OVERTON..STATE
TROOPER HAD IN SIGHT.
8:10 PM GREGG TX .. BASEBALL SIZE HAIL SOUTHWEST OF KILGORE.
8:15 PM GREGG TX .. BASEBALL SIZE HAIL AT KILGORE.
8:15 PM GREGG TX .. FUNNEL CLOUD JUST SOUTH OF KILGORE.
8:36 PM RUSK TX .. GOLFBALL AND BASEBALL SIZE HAIL AT OAK
HILL.
8:37 PM RUSK TX .. BASEBALL SIZE HAIL AT OAK HILL AND
CHALK HILL.
8:48 PM RUSK TX .. GOLF BALL SIZE HAIL AND ONE AND ONE HALF
INCHES OF RAIN DURING PAST 30 MINUTES AT
CHALK HILL.
9:19 PM HARRISON TX .. GOLFBALL SIZE HAIL I-20 AND US 59 SOUTH
OF MARSHALL.
9:20 PM PANOLA TX .. SEVERAL TREES DOWN EAST OF TATUM NEAR
HIGHWAY 43.
9:23 PM HARRISON TX .. GOLFBALL SIZE HAIL 3 NORTHEAST OF EASTON.
GREGG TX .. GOLFBALL SIZE HAIL AT EASTON.
RUSK TX .. GOLFBALL SIZE HAIL 3 NORTHEAST OF EASTON.
9:33 PM HARRISON TX .. WALL CLOUD AND PEA SIZE HAIL 5 MILES SOUTH
OF MARSHALL.
9:40 PM HARRISON TX .. PEA AND MARBLE SIZE HAIL AT MARSHALL.
9:41 PM RUSK TX .. 60 MPH WINDS AND GOLFBALL SIZE HAIL AT
PERKY POWER PLANT.
9:51 PM HARRISON TX .. GOLFBALL SIZE HAIL AND NEAR 1.70 INCHES
OF RAIN IN MARSHALL.
10:10 PM HARRISON TX .. GOLFBALL SIZE HAIL..NUMEROUS TREES DOWN..
5 MILES SOUTHEAST OF HALLSVILLE.
10:12 PM PANOLA TX .. ONE INCH SIZE HAIL 2 MILES NORTH OF
DEBERRY.
10:25 PM CADDO TX .. PEA AND MARBLE SIZE HAIL AT MOORINGSPORT.
10:29 PM CADDO TX .. GOLFBALL SIZE HAIL NEAR LATEX.
10:30 PM HARRISON TX .. TWO HOMES ROOF DAMAGED WITH SEVERAL TREES
DOWN AND ONE INCH SIZE HAIL.
10:30 PM CADDO TX .. ONE INCH SIZE HAIL LONGWOOD.
11:00 PM MCCURTAIN TX .. GOLFBALL SIZE HAIL IDABEL.
11:05 PM MCCURTAIN OK .. BASEBALL SIZE HAIL..60 MPH WINDS 5 MILES
X SOUTH OF IDABEL.
11:30 PM MCCURTAIN OK .. TREES DOWN 5 MILES SOUTH OF HAYWORTH.Local storm report, Apr 27, 12:45 PM CDT, 2 hours 30 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
100 PM CDT SAT APR 27 1991
STORM REPORTS FOR SATURDAY APRIL 27 1991 ..TIMES ARE IN CDT.
TIME CDT CNTY/PRSH ST EVENT/LOCATION/DAMAGE
12:01 AM BOWIE TX .. MARBLE SIZE HAIL AT NEW BOSTON.
12:10 AM SEVIER AR .. ONE INCH SIZE HAIL AT LOCKSBURG.
12:25 AM LITTLE RIVER AR .. 3/4 INCH SIZE HAIL AND HIGH WINDS AT
CROSSROADS.
12:30 AM SEVEIR AR .. GOLFBALL SIZE HAIL AT HORATIO..TREES
DOWN.
.
12:30 AM HOWARD AR .. TREES DOWN THAT DAMAGED ROOF OF HOME..
MOBILE HOME..CAMPER..AND AUTOMOBILE 3
MILES NORTHWEST OF NASHVILLE.
12:40 AM HOWARD AR .. GOLFBALL SIZE HAIL AT MINERAL SPRINGS.
4:50 AM LITTLE RIVER AR .. MARBLE SIZE HAIL AT FOREMAN.
...REPORTS THIS DATE INCOMPLETE...Special weather statement, Apr 27, 1:48 PM CDT, 1 hour 27 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001- 002-003-004-005-006-272100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 145 PM CDT SAT APR 27 1991 ...TORNADO WATCH IN EFFECT FOR MUCH OF NORTHEAST TEXAS..NORTHWEST LOUISIANA AND THE ADJACENT AREAS OF SOUTHWEST ARKANSAS LATE THIS AFTERNOON AND EVENING... ...FLASH FLOOD WATCH WILL BE IN EFFECT FOR THE SOUTHEAST HALF OF THE ARKLATEX OVERNIGHT... AT 135 PM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED STRONG THUNDERSTORMS SOUTHEAST OF WACO TEXAS WITH NEW SHOWERS DEVELOP- ING NORTHEAST TO SOUTH OF TYLER TEXAS. CONDITIONS ARE FAVORABLE FOR THUNDERSTORMS TO DEVELOP RAPILDY OVER NORTHEAST AND EAST CENTRAL TEXAS THIS AFTERNOON AND SPREAD NORTHEAST AND EAST THIS EVENING..WITH A FEW STORMS LIKELY REACHING SEVERE INTENSITY. THE SYSTEM WILL LIKELY STALL OVER NORTH LOUISIANA OVERNIGHT AND VERY HEAVY RAINFALL AMOUNTS WILL OCCUR..THUS A FLASH FLOOD WATCH WILL BE IN EFFECT FOR THE SOUTHEAST HALF OF THE ARKLATEX OVERNIGHT THROUGH EARLY SUNDAY MORNING. PERSONS IN THE AREA SHOULD LISTEN FOR LATER STATEMENTS ON THIS DEVELOPING STORM SYSTEM AND NO DOUBT WARNINGS WILL BE NECESSARY LATER THIS AFTERNOON AND TONIGHT.
Special weather statement, Apr 27, 2:32 PM CDT, 43 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001- 002-003-004-005-006-272200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 230 PM CDT SAT APR 27 1991 ...A TORNADO WATCH IN EFFECT UNTIL 900 PM CDT FOR NORTHWEST LOUISIANA.. SOUTHWEST ARKANSAS..AND MUCH OF EAST TEXAS... ...FLASH FLOOD WATCH WILL BE IN EFFECT FOR THE SOUTHEAST HALF OF THE ARKLATEX OVERNIGHT... AT 225 PM CDT WEATHER SERVICE RADAR IN SHREVEPORT SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS OVER NORTHWEST LOUISIANA AND EAST TEXAS FROM NEAR VIVIAN LOUISIANA SOUTHWEST TO NEAR KARNACK TEXAS. THE THUNDERSTORMS WERE PRODUCING GUSTY WINDS..HEAVY RAINS..AND FREQUENT LIGHTNING. RADAR SHOWED OTHER SCATTERED SHOWERS AND THUNDERSTORMS OVER TEXAS FROM NEAR PALESTINE SOUTHWEST INTO CENTRAL TEXAS AND ISOLATED SHOWERS FROM NEAR GROESBECK NORTH TO NORTH OF GREENVILLE TEXAS. THE SHOWERS AND THUNDERSTORMS HAVE BEEN MOVING TO THE NORTHEAST AT 30 MPH. SHOWERS AND THUNDERSTORMS WILL MOST LIKELY CONTINUE TO INCREASE OVER THE WESTERN SECTIONS OF THE ARKLATEX THIS AFTERNOON AND EVENING AND SPREAD EAST OVER THE REGION TONIGHT. THE SYSTEM WILL LIKELY STALL OVER NORTH LOUISIANA OVERNIGHT AND VERY HEAVY RAINFALL AMOUNTS WILL OCCUR..THUS A FLASH FLOOD WATCH WILL BE IN EFFECT FOR THE SOUTHEAST HALF OF THE ARKLATEX OVERNIGHT THROUGH EARLY SUNDAY MORNING. PERSONS IN AND AROUND THE ARKLATEX SHOULD MONITOR CHANGING WEATHER CONDITIONS THE REMAINDDER OF THE AFTERNOON AND EVENING AND LISTEN FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 7:07 PM CDT | Tornado Warning | SHV | Gregg, Rusk | 68 min |
| Apr 26, 8:07 PM CDT | Tornado Warning | SHV | Gregg, Harrison, Rusk | 98 min |
| Apr 26, 8:46 PM CDT | Tornado Warning | SHV | Harrison, Panola | 59 min |
| Apr 26, 9:47 PM CDT | Severe Thunderstorm Warning | SHV | Harrison, Panola | 118 min |
| Apr 27, 3:16 AM CDT | Flash Flood Warning | SHV | Bowie | 3 hr |
| Apr 27, 3:49 AM CDT | Severe Thunderstorm Warning | SHV | Bowie | 56 min |
| Apr 27, 5:50 AM CDT | Severe Thunderstorm Warning | SHV | Bowie | 55 min |
| Apr 27, 6:14 AM CDT | Flash Flood Warning | SHV | Bowie | 2 hr |
| Apr 27, 7:22 AM CDT | Severe Thunderstorm Warning | SHV | Bowie | 68 min |
| Apr 27, 3:04 PM CDT | Severe Thunderstorm Warning | SHV | Cass | 56 min |
| Apr 27, 3:45 PM CDT | Severe Thunderstorm Warning | SHV | Rusk | 75 min |
| Apr 27, 4:07 PM CDT | Severe Thunderstorm Warning | SHV | Harrison, Panola | 98 min |
| Apr 27, 4:07 PM CDT | Severe Thunderstorm Warning | SHV | Bowie, Cass | 98 min |
| Apr 27, 4:18 PM CDT | Severe Thunderstorm Warning | SHV | Cass | 57 min |
| Apr 27, 5:07 PM CDT | Severe Thunderstorm Warning | SHV | Bowie | 2 hr |
Nearby
Tornado Warnings in Texas, 1991Every tornado warning in 1991Tornadoes in 1991
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.