Alert archive / Louisiana / Tornado Warnings in 2013
Tornado Warning 36, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at May 16, 2013, 4:08 PM CDT for Bienville Parish, Natchitoches Parish, Red River Parish, Louisiana. It was in force for 22 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 16, 2013, 4:08 PM CDT (21:08 UTC)
- Expired
- May 16, 2013, 4:30 PM CDT
- In force
- 22 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
Counties Bienville Parish, LA, Natchitoches Parish, LA, Red River Parish, LA
The radar
The Shreveport radar (KSHV), 73 km from the middle of the area, began a volume at 21:08 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 16, 4:20 PM CDT | TSTM WND DMG | Martin, LA | TREES DOWN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this tornado warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 16, 2:54 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 9.1 hours before the alert went out and 68 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
- 186 J/kg
- Mixed-layer CIN
- -239 J/kg
- Mixed-layer LCL
- 717 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 406 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
617
WFUS54 KSHV 162108
TORSHV
LAC013-069-081-162130-
/O.NEW.KSHV.TO.W.0036.130516T2108Z-130516T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
408 PM CDT THU MAY 16 2013
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
* TORNADO WARNING FOR...
SOUTH CENTRAL BIENVILLE PARISH IN NORTHWEST LOUISIANA...
NORTH CENTRAL NATCHITOCHES PARISH IN NORTHWEST LOUISIANA...
RED RIVER PARISH IN NORTHWEST LOUISIANA...
* UNTIL 430 PM CDT.
* AT 403 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES NORTH OF
COUSHATTA...OR 23 MILES EAST OF MANSFIELD...MOVING SOUTHEAST AT
35 MPH. NUMEROUS REPORTS OF DAMAGE AND LARGE HAIL HAVE BEEN
RECEIVED AS THIS STORM MOVED ACROSS WASKOM AND SHREVEPORT.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CAMPTI...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
HALF DOLLAR SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
&&
LAT...LON 3211 9347 3229 9332 3210 9291 3209 9290
3182 9312
TIME...MOT...LOC 2107Z 307DEG 31KT 3210 9330
$$
12What 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.
NWS Shreveport, LA wrote its last area forecast discussion before this tornado warning went out at May 16, 11:21 AM CDT, 4 hours 47 minutes earlier.
Area forecast discussion, May 16, 11:21 AM CDT, 4 hours 47 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SHREVEPORT LA 1121 AM CDT THU MAY 16 2013 .DISCUSSION... UPPER LOW CONTINUES TO SHIFT ALMOST DUE EAST ACROSS ERN OK INTO WRN AR AS CONVECTION REMAINS ONGOING ALONG THE RED RIVER VALLEY LATE THIS MORNING. SLIGHT RISK AREA HAS BEEN IDENTIFIED FOR AREAS NORTH OF I-20 THIS AFTERNOON AS UPPER LOW WRAPS AROUND ALONG THE I-30 CORRIDOR. INSTABILITY WILL BE CRUCIAL TO SEEING ANY SEVERE DEVELOPMENT AS MORNING SHWRS MAY HELP TO QUELL...OR AT LEAST DELAY INCREASING INSTABILITY THIS AFTERNOON. MOST UNSTABLE CONDITIONS REMAIN ACROSS PARTS OF CNTRL AND ERN TX WHERE SKIES HAVE BEGUN TO CLEAR DUE TO DRY SLOTTING FROM THE SW. WENT AHEAD AND INCLUDED SEVERE WORDING IN THE AREAS UNDER SLIGHT RISK AND ALSO BEEFED UP POPS ACROSS THESE SAME AREAS AS WELL AS ALONG THE I-20 CORRIDOR. OTHER EDITS WERE MADE TO SKY GRIDS IN ADDITION TO MAX TEMPS AND WINDS. UPDATED PRODUCTS WILL BE OUT SHORTLY. FINALLY...WE WILL BE DOING A MIDDAY SOUNDING AT 19Z TO GET A BETTER HANDLE ON EXPECTED ATMOSPHERIC PROFILES FOR THIS AFTERNOON. && .AVIATION... SHOWERS AND THUNDERSTORMS CONTINUED OVER THE FOUR STATER REGION IN ASSOCIATION WITH AN UPPER LEVEL CLOSED LOW AND TRAILING DISTURBANCES REACHING SOUTHEAST FROM ITS CENTER...AND WITH AN INVERTED TROUGH REACHING NORTHEAST INTO EAST TEXAS AND NORTH LOUISIANA FROM A SURFACE LOW PRESSURE SYSTEM OVER WEST TEXAS NEAR THE BIG BEND REGION. A DRY SLOT OVER PARTS OF EAST TEXAS WILL ALLOW FOR PERIOD OF VFR FLIGHT CATEGORIES FOR KLFK...KTYR...AND KGGG THIS AFTERNOON WITH MOSTLY MVFR AND IFR CONDITIONS FOR REMAINING TERMINAL SITES INCLUDING KTXK...KSHV...KMLU...AND KELD. AS THE DRY AIR WRAPS AROUND THE SYSTEM THE TERMINAL SITES WILL TREND TOWARD MVFR AND PERIODS OF VFR INTO THE AFTERNOON AND EVENING. WITH AFTERNOON WARMING AND MOISTURE RETURNING IN THE LOWER LEVELS AS HIGH PRESSURE OVER THE EASTERN GULF COAST STATES AND LOW PRESSURE OVER WEST TEXAS PROVIDE AS TIGHT PRESSURE GRADIENT INTO EAST TEXAS AND NORTH LOUISIANA AND LATER INTO SOUTHEAST OKLAHOMA AND SOUTH ARKANSAS...SCATTERED THUNDERSTORMS WILL RETURN. FLIGHT CATEGORIES WILL LOWER TO MVFR AND DOWN TO IFR FOR MOST ALL SITES OVERNIGHT BEFORE 17/06 UTC. SURFACE WINDS WILL BE SOUTH 8 TO 15 KNOTS THROUGH 17/00 UTC LOWERING TO 6 TO 11 KNOTS OVERNIGHT AND THROUGH 18/00 UTC. /06/ && .PRELIMINARY POINT TEMPS/POPS... SHV 81 68 85 71 89 / 40 20 20 20 10 MLU 82 67 84 70 87 / 40 30 30 30 10 DEQ 75 64 82 67 86 / 70 30 30 30 10 TXK 77 67 83 70 87 / 70 30 30 30 10 ELD 78 65 83 68 87 / 60 30 30 30 10 TYR 82 69 86 71 89 / 40 10 10 10 10 GGG 82 68 86 71 89 / 40 20 10 10 10 LFK 86 70 88 72 90 / 30 10 10 10 10 && .SHV WATCHES/WARNINGS/ADVISORIES... AR...NONE. LA...NONE. OK...NONE. TX...NONE. && 19/06
Hazardous weather outlook, May 16, 12:15 PM CDT, 3 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SHREVEPORT LA 1215 PM CDT THU MAY 16 2013 ARZ050-051-059>061-070>073-LAZ001>004-006-OKZ077-TXZ096-097- 108>112-126-171200- SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MILLER-LAFAYETTE- COLUMBIA-UNION AR-CADDO-BOSSIER-WEBSTER-CLAIBORNE-UNION LA- MCCURTAIN-RED RIVER-BOWIE-FRANKLIN-TITUS-CAMP-MORRIS-CASS-MARION- 1215 PM CDT THU MAY 16 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL ARKANSAS...SOUTHWEST ARKANSAS...NORTH CENTRAL LOUISIANA... NORTHWEST LOUISIANA...SOUTHEAST OKLAHOMA AND NORTHEAST TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT... SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AS AN UPPER LOW CONTINUES TO TRACK EAST FROM OKLAHOMA INTO ARKANSAS. SOME STORMS MAY REACH SEVERE LIMITS MAINLY ALONG AND NORTH OF THE INTERSTATE 20 CORRIDOR AS INSTABILITY INCREASES DURING THE AFTERNOON AND EVENING. HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES ARE ALL POSSIBLE...ESPECIALLY WITH ANY SUPERCELLS THAT DEVELOP. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... A FEW AFTERNOON SHOWERS AND THUNDERSTORMS ARE POSSIBLE ON FRIDAY. ADDITIONAL SHOWER AND THUNDERSTORM DEVELOPMENT IS EXPECTED FROM MONDAY THROUGH WEDNESDAY NEXT WEEK. HOWEVER...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...AMATEUR RADIO OPERATORS...AND STORM SPOTTERS MAY BE NEEDED TODAY AND TONIGHT. LAZ005-010>014-017>022-TXZ124-125-136>138-149>153-165>167-171200- LINCOLN-DE SOTO-RED RIVER-BIENVILLE-JACKSON-OUACHITA-SABINE LA- NATCHITOCHES-WINN-GRANT-CALDWELL-LA SALLE-WOOD-UPSHUR-SMITH-GREGG- HARRISON-CHEROKEE-RUSK-PANOLA-NACOGDOCHES-SHELBY-ANGELINA- SAN AUGUSTINE-SABINE TX- 1215 PM CDT THU MAY 16 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL LOUISIANA...NORTHWEST LOUISIANA...EAST TEXAS AND NORTHEAST TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT... SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AS AN UPPER LOW CONTINUES TO TRACK EAST FROM OKLAHOMA INTO ARKANSAS. STRONG TO SEVERE STORMS ARE EXPECTED TO REMAIN ALONG AND NORTH OF THE INTERSTATE 20 CORRIDOR. HOWEVER...A FEW ISOLATED STORMS MAY REACH SEVERE LIMITS FARTHER SOUTH WITH HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES ALL POSSIBLE. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... A FEW AFTERNOON SHOWERS AND THUNDERSTORMS ARE POSSIBLE ON FRIDAY. ADDITIONAL SHOWER AND THUNDERSTORM DEVELOPMENT IS EXPECTED FROM MONDAY THROUGH WEDNESDAY NEXT WEEK. HOWEVER...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...AMATEUR RADIO OPERATORS...AND STORM SPOTTERS MAY BE NEEDED TODAY AND TONIGHT. 19
In the hours before
Local storm report, May 16, 3:47 PM CDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
347 PM CDT THU MAY 16 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0230 PM TSTM WND DMG WASKOM 32.48N 94.06W
05/16/2013 HARRISON TX BROADCAST MEDIA
*** 2 INJ *** TRUCK SMASHED BY FALLING TREE. OCCUPANTS
RUSHED TO HOSPITAL.
&&
EVENT NUMBER SHV1300134
10Local storm report, May 16, 3:52 PM CDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
352 PM CDT THU MAY 16 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0308 PM TSTM WND DMG SHREVEPORT 32.47N 93.80W
05/16/2013 CADDO LA TRAINED SPOTTER
HOUSE HAD ROOF PEELED BACK . PORCH KNOCKED OFF.
0308 PM HAIL SHREVEPORT 32.47N 93.80W
05/16/2013 M1.75 INCH CADDO LA TRAINED SPOTTER
HOUSE HAD ROOF PEELED BACK . PORCH KNOCKED OFF.
&&
EVENT NUMBER SHV1300135
EVENT NUMBER SHV1300136
10Local storm report, May 16, 3:57 PM CDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
357 PM CDT THU MAY 16 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0354 PM HAIL 30 SE SHREVEPORT 32.16N 93.43W
05/16/2013 M1.00 INCH RED RIVER LA NWS EMPLOYEE
INTERSECTION OF HWY 71 AND HWY 4
&&
EVENT NUMBER SHV1300137
10Local storm report, May 16, 4:00 PM CDT, 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
400 PM CDT THU MAY 16 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0235 PM TSTM WND DMG GREENWOOD 32.44N 93.97W
05/16/2013 CADDO LA AMATEUR RADIO
SEMI BLOWN ON SIDE.
&&
EVENT NUMBER SHV1300138
10Local storm report, May 16, 4:02 PM CDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
402 PM CDT THU MAY 16 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0255 PM HAIL SHREVEPORT 32.47N 93.80W
05/16/2013 M1.25 INCH CADDO LA NWS EMPLOYEE
HAIL COVERING THE GROUND...A FEW TREES DOWN ON SHED
0255 PM TSTM WND DMG SHREVEPORT 32.47N 93.80W
05/16/2013 CADDO LA NWS EMPLOYEE
HAIL COVERING THE GROUND...A FEW TREES DOWN ON SHED
&&
EVENT NUMBER SHV1300139
EVENT NUMBER SHV1300140
10Local storm report, May 16, 4:04 PM CDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE SHREVEPORT LA
404 PM CDT THU MAY 16 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0255 PM TSTM WND DMG SHREVEPORT 32.47N 93.80W
05/16/2013 CADDO LA NWS EMPLOYEE
HAIL COVERING THE GROUND...A FEW TREES DOWN ON
SHED..WINDS ESTIMATED AT 70 MPH.
&&
CORRECTED REMARKS
EVENT NUMBER SHV1300140
10The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 2:20 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 40 min |
| May 16, 2:29 PM CDT | Tornado Warning | SHV | Caddo, De Soto | 31 min |
| May 16, 2:57 PM CDT | Tornado Warning | SHV | Bossier, Caddo, De Soto | 33 min |
| May 16, 3:27 PM CDT | Tornado Warning | SHV | Bienville, Bossier, Caddo, De Soto, Red River | 48 min |
| May 16, 4:29 PM CDT | Severe Thunderstorm Warning | SHV | Natchitoches, Red River, Winn | 61 min |
| May 16, 4:47 PM CDT | Tornado Warning | SHV | Natchitoches, Winn | 28 min |
| May 16, 5:14 PM CDT | Tornado Warning | SHV | Natchitoches, Winn | 46 min |
Nearby
Tornado Warnings in Louisiana, 2013Every tornado warning in 2013Tornadoes in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.