Alert archive / Arkansas / Special Weather Statements in 2017
Special Weather Statement, NWS Shreveport, LA
NWS Shreveport, LA issued this special weather statement at May 28, 2017, 2:49 AM CDT for Bowie County, Red River County, Texas; 5 counties in Arkansas; McCurtain County, Oklahoma. It was in force for 41 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
- May 28, 2017, 2:49 AM CDT (07:49 UTC)
- Expired
- May 28, 2017, 3:30 AM CDT
- In force
- 41 min
- Issued by
- NWS Shreveport, LA
Counties Hempstead County, AR, Howard County, AR, Little River County, AR, Miller County, AR, Sevier County, AR, McCurtain County, OK, Bowie County, TX, Red River County, TX
The radar
The Western Arkansas radar (KSRX), 141 km from the middle of the area, began a volume at 07:53 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, 7.8 hours before the alert went out and 187 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.0
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 May 28, 2:47 AM CDT, 2 minutes earlier.
Area forecast discussion, May 28, 2:47 AM CDT, 2 minutes before
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Hazardous Weather Outlook National Weather Service Shreveport LA 323 PM CDT Sat May 27 2017 ARZ050-051-059>061-070>073-LAZ001>006-OKZ077-TXZ096-097-108>112- 124>126-136>138-150-151-282030- Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette- Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-McCurtain- Red River-Bowie-Franklin-Titus-Camp-Morris-Cass-Wood-Upshur- Marion-Smith-Gregg-Harrison-Rusk-Panola- 323 PM CDT Sat May 27 2017 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... Showers and thunderstorms may shift into the area after midnight tonight. A few storms could become strong, mainly along and north of interstate 30. Strong winds and possible hail may occur. .DAYS TWO THROUGH SEVEN...Sunday through Friday... The cold front will be progressing southeastward across the Four- State Region, interacting with a warm, moist and unstable atmosphere and resulting in the development of scattered thunderstorms. Some of these thunderstorms will become strong to severe with large hail and damaging wind gusts being the primary threats. The unsettled weather pattern will continue through next week as the cold front returns to the region as a warm front, which will advect in a warm and moist airmass. As a result, isolated to scattered showers and thunderstorms will be possible next week, though the potential for widespread hazardous weather will be low. .SPOTTER INFORMATION STATEMENT... Activation of emergency management personnel, amateur radio operators, and storm spotters may possibly be needed late tonight. LAZ010>014-017>022-TXZ149-152-153-165>167-282030- De Soto-Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches- Winn-Grant-Caldwell-La Salle-Cherokee-Nacogdoches-Shelby-Angelina- San Augustine- 323 PM CDT Sat May 27 2017 This Hazardous Weather Outlook is for portions of north central Louisiana, northwest Louisiana, east Texas and northeast Texas. .DAY ONE...This Afternoon and Tonight... The probability of widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday... The cold front will be progressing southeastward across the Four- State Region, interacting with a warm, moist and unstable atmosphere and resulting in the development of scattered thunderstorms. Some of these thunderstorms will become strong to severe with large hail and damaging wind gusts being the primary threats. The unsettled weather pattern will continue through next week as the cold front returns to the region as a warm front, which will advect in a warm and moist airmass. As a result, isolated to scattered showers and thunderstorms will be possible next week, though the potential for widespread hazardous weather will be low. .SPOTTER INFORMATION STATEMENT... Activation of emergency management personnel, amateur radio operators, and storm spotters is not anticipated through tonight.
In the hours before
Special weather statement, May 28, 1:39 AM CDT, 1 hour 10 minutes before
Special Weather Statement National Weather Service Shreveport LA 139 AM CDT SUN MAY 28 2017 ARZ050-051-059-060-070-OKZ077-TXZ096-097-280730- Howard AR-Hempstead AR-Sevier AR-Little River AR-Miller AR- McCurtain OK-Bowie TX-Red River TX- 139 AM CDT SUN MAY 28 2017 ...SIGNIFICANT WEATHER ADVISORY FOR LITTLE RIVER...WESTERN HEMPSTEAD...NORTHWESTERN MILLER...SOUTHERN SEVIER...SOUTHEASTERN HOWARD...SOUTHEASTERN MCCURTAIN...BOWIE AND EAST CENTRAL RED RIVER COUNTIES UNTIL 230 AM CDT... At 138 AM CDT, Doppler radar was tracking a strong thunderstorm over Arkinda, or near Foreman, moving east at 55 mph. Dime size hail and winds in excess of 30 mph will be possible with this storm. Locations impacted include... Texarkana, Wake Village, Ashdown, Nashville, New Boston, Mineral Springs, Foreman, Nash, Hooks, De Kalb, Redwater, Red Lick, Wilton, Tollette, Winthrop, Ogden, Ben Lomond, Mandeville, Arkinda and Saratoga. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 3351 9494 3389 9475 3392 9383 3330 9402 TIME...MOT...LOC 0638Z 274DEG 49KT 3375 9449 05
Local storm report, May 28, 1:43 AM CDT, 1 hour 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
143 AM CDT SUN MAY 28 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0107 AM TSTM WND DMG 1 W BROKEN BOW 34.03N 94.75W
05/28/2017 MCCURTAIN OK LAW ENFORCEMENT
TREE DOWN BLOCKING ROADWAY.
&&
FBSpecial weather statement, May 28, 1:48 AM CDT, 1 hour 1 minute before
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</html>Special weather statement, May 28, 2:49 AM 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 |
|---|---|---|---|---|
| May 28, 1:39 AM CDT | Special Weather Statement | SHV | Bowie | 51 min |
| May 28, 2:05 AM CDT | Severe Thunderstorm Warning | SHV | Bowie | 40 min |
| May 28, 2:08 AM CDT | Special Weather Statement | SHV | Red River | 37 min |
| May 28, 3:30 AM CDT | Special Weather Statement | SHV | Bowie, Franklin, Titus | 45 min |
| May 28, 4:54 AM CDT | Special Weather Statement | SHV | Camp, Upshur, Wood | 36 min |
| May 28, 6:32 AM CDT | Special Weather Statement | SHV | Bowie, Franklin, Morris, Titus | 43 min |
| May 28, 7:19 AM CDT | Special Weather Statement | SHV | Camp, Cass, Franklin, Morris, Titus, Upshur and 1 more | 41 min |
| May 28, 8:07 AM CDT | Special Weather Statement | SHV | Marion | 38 min |
| May 28, 3:35 PM CDT | Special Weather Statement | SHV | Wood | 40 min |
| May 28, 4:18 PM CDT | Special Weather Statement | SHV | Camp, Harrison, Marion, Upshur | 42 min |
| May 28, 4:47 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee | 58 min |
| May 28, 4:50 PM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Marion, Smith, Upshur | 55 min |
| May 28, 4:53 PM CDT | Severe Thunderstorm Warning | SHV | Cass, Harrison, Marion | 67 min |
| May 28, 4:58 PM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Rusk | 32 min |
| May 28, 5:11 PM CDT | Tornado Warning | SHV | Gregg, Harrison, Panola, Rusk | 49 min |
| May 28, 5:15 PM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Nacogdoches, Panola, Rusk, Shelby | 45 min |
| May 28, 5:29 PM CDT | Severe Thunderstorm Warning | SHV | Harrison | 31 min |
| May 28, 5:37 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Nacogdoches, Rusk | 38 min |
| May 28, 5:41 PM CDT | Severe Thunderstorm Warning | SHV | Harrison, Panola | 64 min |
| May 28, 5:52 PM CDT | Severe Thunderstorm Warning | SHV | Panola, Shelby | 38 min |
| May 28, 5:54 PM CDT | Tornado Warning | SHV | Panola | 25 min |
| May 28, 6:22 PM CDT | Severe Thunderstorm Warning | SHV | Panola, Shelby | 53 min |
| May 28, 6:30 PM CDT | Tornado Warning | SHV | Shelby | 26 min |
| May 28, 6:40 PM CDT | Severe Thunderstorm Warning | SHV | Sabine, San Augustine, Shelby | 50 min |
| May 28, 6:48 PM CDT | Flash Flood Warning | SHV | Angelina, Cherokee, Nacogdoches, Rusk | 3 hr |
| May 28, 6:52 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Nacogdoches, Rusk | 53 min |
| May 28, 8:08 AM CDT | Special Weather Statement | SHV | Jackson, Lincoln, Ouachita, Union | 37 min |
| May 28, 9:53 AM CDT | Special Weather Statement | SHV | Bossier, Caddo, Claiborne, De Soto, Webster | 37 min |
| May 28, 10:33 AM CDT | Special Weather Statement | SHV | Claiborne, Webster | 42 min |
| May 28, 10:50 AM CDT | Special Weather Statement | SHV | Bossier | 40 min |
| May 28, 11:17 AM CDT | Special Weather Statement | SHV | Webster | 43 min |
| May 28, 1:48 PM CDT | Special Weather Statement | SHV | Caldwell | 42 min |
| May 28, 5:46 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Claiborne, Webster | 59 min |
| May 28, 6:32 PM CDT | Flash Flood Warning | SHV | Bienville, Bossier, Caddo, De Soto, Red River, Webster | 3 hr |
| May 28, 6:51 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Bossier, Caddo, De Soto, Natchitoches, Red River and 3 more | 54 min |
| May 28, 1:04 AM CDT | Severe Thunderstorm Warning | SHV | Howard, Little River, Sevier | 41 min |
| May 28, 1:48 AM CDT | Special Weather Statement | SHV | Howard, Sevier | 42 min |
| May 28, 2:46 AM CDT | Special Weather Statement | SHV | Nevada | 44 min |
| May 28, 12:23 AM CDT | Special Weather Statement | SHV | McCurtain | 52 min |
| May 28, 12:31 AM CDT | Severe Thunderstorm Warning | SHV | McCurtain | 44 min |
Nearby
Special Weather Statements in Arkansas, 2017Special Weather Statements in Texas, 2017Special Weather Statements in Oklahoma, 2017Every special weather statement in 2017
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.