Alert archive / Louisiana / Special Weather Statements in 2016
Special Weather Statement, NWS Shreveport, LA
NWS Shreveport, LA issued this special weather statement at Aug 7, 2016, 10:07 PM CDT for 4 parishes in Louisiana. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 7, 2016, 10:07 PM CDT (03:07 UTC)
- Expired
- Aug 7, 2016, 10:45 PM CDT
- In force
- 38 min
- Issued by
- NWS Shreveport, LA
Counties Grant Parish, LA, LaSalle Parish, LA, Natchitoches Parish, LA, Sabine Parish, LA
The radar
The Ft Polk radar (KPOE), 51 km from the middle of the area, began a volume at 03:11 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 (KBAD), launched 00:00Z, 3.1 hours before the alert went out and 138 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
- 1494 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 1709 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Aug 7, 9:35 PM CDT, 32 minutes earlier.
Area forecast discussion, Aug 7, 9:35 PM CDT, 32 minutes before
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</html>Hazardous weather outlook, Aug 7, 10:46 AM CDT, 11 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SHREVEPORT LA 1046 AM CDT SUN AUG 7 2016 ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077- TXZ096-097-108>112-124>126-136>138-149>153-165>167-081200- SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MILLER-LAFAYETTE- COLUMBIA-UNION-CADDO-BOSSIER-WEBSTER-CLAIBORNE-LINCOLN-DE SOTO- RED RIVER-BIENVILLE-JACKSON-OUACHITA-SABINE-NATCHITOCHES-WINN- GRANT-CALDWELL-LA SALLE-MCCURTAIN-BOWIE-FRANKLIN-TITUS-CAMP- MORRIS-CASS-WOOD-UPSHUR-MARION-SMITH-GREGG-HARRISON-CHEROKEE-RUSK- PANOLA-NACOGDOCHES-SHELBY-ANGELINA-SAN AUGUSTINE- 1046 AM CDT SUN AUG 7 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL ARKANSAS...SOUTHWEST ARKANSAS...NORTH CENTRAL LOUISIANA... NORTHWEST LOUISIANA...SOUTHEAST OKLAHOMA...EAST TEXAS AND NORTHEAST TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT... HOT TEMPERATURES APPROACHING 100 DEGREES...WHEN COMBINED WITH MODERATE HUMIDITY WILL PRODUCE HEAT INDEX VALUES OF 105 TO 109 DEGREES THIS AFTERNOON WITH A HEAT ADVISORY IN EFFECT. TAKE PRECAUTIONS WHEN WORKING OR PLAYING OUTDOORS WITH BREAKS IN THE SHADE...WATER AND IF POSSIBLE...IN AIR CONDITIONING. SOME RELIEF WILL COME IN THE FORM OF SCATTERED SHOWERS AND THUNDERSTORMS WITH STRONGER STORMS PRODUCING GUSTY WINDS...HEAVY DOWNPOURS...AND DANGEROUS CLOUD TO GROUND LIGHTNING. WHEN THUNDER ROARS...GO INDOORS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY... SCATTERED AFTERNOON THUNDERSTORMS WILL CONTINUE INTO EARLY THIS WEEK WITH COVERAGE BECOMING MORE ISOLATED LATER IN THE WEEK. IN ADDITION...AFTERNOON HEAT INDEX VALUES WILL CONTINUE TO PEAK NEAR OR ABOVE 105 DEGREES DURING THE AFTERNOON HOURS. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...AMATEUR RADIO OPERATORS AND STORM SPOTTERS IS NOT ANTICIPATED THROUGH TONIGHT. 13
In the hours before
Special weather statement, Aug 7, 7:52 PM CDT, 2 hours 15 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 752 PM CDT SUN AUG 7 2016 LAZ004-005-012-013-080145- CLAIBORNE LA-LINCOLN LA-BIENVILLE LA-JACKSON LA- 752 PM CDT SUN AUG 7 2016 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN JACKSON... NORTHEASTERN BIENVILLE...SOUTHWESTERN LINCOLN AND SOUTH CENTRAL CLAIBORNE PARISHES UNTIL 845 PM CDT... AT 752 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR HOMER...MOVING SOUTH AT 10 MPH. WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... GRAMBLING...ARCADIA...GIBSLAND...SIMSBORO...ATHENS...BRYCELAND... MOUNT LEBANON...LAKE CLAIRBORNE...SPRING LAKE AND AYCOCK. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. && LAT...LON 3273 9312 3277 9290 3235 9255 3243 9303 TIME...MOT...LOC 0052Z 342DEG 9KT 3272 9298 VII
Special weather statement, Aug 7, 8:01 PM CDT, 2 hours 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
801 PM CDT SUN AUG 7 2016
LAZ012-013-019>022-080200-
LA SALLE LA-BIENVILLE LA-CALDWELL LA-JACKSON LA-WINN LA-GRANT LA-
801 PM CDT SUN AUG 7 2016
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN JACKSON...SOUTHEASTERN
BIENVILLE...SOUTHWESTERN CALDWELL...LA SALLE...WINN AND GRANT
PARISHES UNTIL 900 PM CDT...
AT 759 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR JONESBORO...MOVING SOUTH SOUTHEAST AT 15 MPH. ANOTHER STRONG
STORM HAS DEVELOPED JUST SOUTH OF JENA OVER LAKE CATAHOULA.
WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
WINNFIELD...JONESBORO...JENA...COLFAX...OLLA...MIDWAY...URANIA...
HODGE...POLLOCK...DRY PRONG...NORTH HODGE...TULLOS...DODSON...
GEORGETOWN...EAST HODGE...CALVIN...QUITMAN...ATLANTA...
SIKES AND WILLIANA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
&&
LAT...LON 3133 9201 3134 9204 3132 9208 3134 9209
3135 9207 3135 9208 3141 9215 3145 9216
3146 9217 3147 9216 3148 9218 3147 9219
3148 9221 3139 9266 3241 9294 3236 9254
3172 9201
TIME...MOT...LOC 0059Z 324DEG 16KT 3223 9265
VIISpecial weather statement, Aug 7, 8:02 PM CDT, 2 hours 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
802 PM CDT SUN AUG 7 2016
ARZ072-073-LAZ003-004-006-014-080145-
UNION AR-COLUMBIA AR-UNION LA-OUACHITA LA-CLAIBORNE LA-WEBSTER LA-
802 PM CDT SUN AUG 7 2016
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN COLUMBIA AND
SOUTHERN UNION COUNTIES...NORTH CENTRAL WEBSTER...UNION...CLAIBORNE
AND NORTHEASTERN OUACHITA PARISHES UNTIL 845 PM CDT...
AT 802 PM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR ATLANTA TO NEAR
GALION...AND MOVING SOUTH AT 20 MPH.
WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.
LOCATIONS IMPACTED INCLUDE...
HOMER...HUTTIG...JUNCTION CITY...SWARTZ...FARMERVILLE...
HAYNESVILLE...BERNICE...STERLINGTON...EMERSON...SHONGALOO...
ATLANTA...COOLEY...MARION...LISBON...SPEARSVILLE...LILLIE...
LOCH LOMON...LOCKHART...HORSEHEAD AND SHILOH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
&&
LAT...LON 3260 9193 3269 9252 3272 9252 3276 9263
3276 9282 3274 9284 3282 9333 3319 9327
3302 9208 3300 9207 3287 9208 3284 9206
3274 9205 3273 9207 3269 9205 3270 9203
3271 9204 3271 9197 3266 9194 3266 9191
TIME...MOT...LOC 0102Z 001DEG 17KT 3308 9312 3292 9175
20Special weather statement, Aug 7, 8:38 PM CDT, 1 hour 29 minutes before
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</html>Special weather statement, Aug 7, 8:49 PM CDT, 1 hour 18 minutes before
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</html>Special weather statement, Aug 7, 10:07 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 3:31 PM CDT | Special Weather Statement | SHV | Red River | 44 min |
| Aug 8, 5:01 PM CDT | Special Weather Statement | SHV | Camp, Franklin, Gregg, Titus, Upshur | 59 min |
| Aug 8, 5:14 PM CDT | Areal Flood Advisory | SHV | Camp, Titus, Upshur | 3 hr |
| Aug 7, 7:18 PM CDT | Special Weather Statement | SHV | Lincoln | 57 min |
| Aug 7, 7:42 PM CDT | Special Weather Statement | SHV | Bossier | 48 min |
| Aug 7, 7:47 PM CDT | Special Weather Statement | SHV | Bossier | 43 min |
| Aug 7, 7:52 PM CDT | Special Weather Statement | SHV | Lincoln | 53 min |
| Aug 7, 8:01 PM CDT | Special Weather Statement | SHV | Grant, Jackson, LaSalle, Winn | 59 min |
| Aug 7, 8:02 PM CDT | Special Weather Statement | SHV | Claiborne, Union | 43 min |
| Aug 7, 8:25 PM CDT | Areal Flood Advisory | SHV | Bienville, Claiborne, Jackson, LaSalle, Lincoln, Winn | 3 hr |
| Aug 7, 8:38 PM CDT | Special Weather Statement | SHV | Bienville, Jackson, Lincoln, Ouachita | 52 min |
| Aug 7, 8:49 PM CDT | Special Weather Statement | SHV | Webster | 41 min |
| Aug 7, 8:59 PM CDT | Areal Flood Advisory | SHV | Bossier, Webster | 3 hr |
| Aug 7, 10:02 PM CDT | Areal Flood Advisory | SHV | Grant, LaSalle, Natchitoches, Winn | 3 hr |
| Aug 7, 7:21 PM CDT | Special Weather Statement | SHV | Columbia, Union | 39 min |
Nearby
Special Weather Statements in Louisiana, 2016Every special weather statement in 2016
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.