Alert archive / Arkansas / Special Weather Statements in 2021

Special Weather Statement, NWS Shreveport, LA

June 7, 2021Hempstead County, Arkansas

NWS Shreveport, LA issued this special weather statement at Jun 7, 2021, 12:34 AM CDT for Hempstead County, Arkansas. 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
Jun 7, 2021, 12:34 AM CDT (05:34 UTC)
Expired
Jun 7, 2021, 1:15 AM CDT
In force
41 min
Issued by
NWS Shreveport, LA

County Hempstead County, AR

The radar

The Little Rock radar (KLZK), 155 km from the middle of the area, began a volume at 05:35 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 (KSHV), launched 00:00Z, 5.6 hours before the alert went out and 160 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.

Skew-T log-pSkew-T log-p diagram, Shreveport, LA at 00:00Z on 2021-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1039 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 00:00Z on 2021-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1039 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
1131 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Jun 6, 10:18 PM CDT, 2 hours 16 minutes earlier.

Area forecast discussion, Jun 6, 10:18 PM CDT, 2 hours 16 minutes before
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Hazardous weather outlook, Jun 6, 4:35 AM CDT, 19 hours 59 minutes before
Hazardous Weather Outlook
National Weather Service Shreveport LA
435 AM CDT Sun Jun 6 2021

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-
TXZ096-097-108>112-124>126-136>138-149>153-165>167-070945-
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-
435 AM CDT Sun Jun 6 2021

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...Today and Tonight...

Showers and thunderstorms will be possible across the entire
region today, with localized heavy rain possible. This could lead
to isolated flash flooding in low lying and poor drainage areas,
and in locations that have seen significant rainfall in the past
week. However, no widespread organized hazardous weather is
expected.

.DAYS TWO THROUGH SEVEN...Monday through Saturday...

Heavy rain early next week may lead to localized flash flooding
concerns across some areas. Otherwise, the risk of severe storms
will generally remain low through this period.

.SPOTTER INFORMATION STATEMENT...

Activation of emergency management personnel...amateur radio
operators...and storm spotters will not be needed.

In the hours before

Special weather statement, Jun 6, 7:43 PM CDT, 4 hours 51 minutes before
Special Weather Statement
National Weather Service Shreveport LA
743 PM CDT Sun Jun 6 2021

TXZ152-153-166-070145-
Nacogdoches TX-San Augustine TX-Shelby TX-
743 PM CDT Sun Jun 6 2021

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL NACOGDOCHES...
CENTRAL SHELBY AND NORTHWESTERN SAN AUGUSTINE COUNTIES UNTIL 845 PM
CDT...

At 743 PM CDT, Doppler radar was tracking a strong thunderstorm 9
miles northwest of Macune, or 20 miles south of Center, moving
northeast at 25 mph.

Half inch hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Center, San Augustine, Shelbyville, Bland Lake, Neuville, Chireno,
Hurstown, Denning, James, Jericho and Calgary.

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.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

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 3140 9424 3149 9442 3190 9421 3177 9393
TIME...MOT...LOC 0043Z 209DEG 22KT 3152 9429

19
Local storm report, Jun 6, 8:03 PM CDT, 4 hours 31 minutes before
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Special weather statement, Jun 6, 8:40 PM CDT, 3 hours 54 minutes before
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Special weather statement, Jun 6, 9:36 PM CDT, 2 hours 58 minutes before
Special Weather Statement
National Weather Service Shreveport LA
936 PM CDT Sun Jun 6 2021

OKZ077-TXZ096-070315-
McCurtain OK-Red River TX-
936 PM CDT Sun Jun 6 2021

...SIGNIFICANT WEATHER ADVISORY FOR MCCURTAIN AND NORTHEASTERN RED
RIVER COUNTIES UNTIL 1015 PM CDT...

At 936 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 12 miles south of Whitesboro to 14 miles
southwest of Octavia to 9 miles northwest of Broken Bow to 6 miles
northwest of Idabel to 8 miles southeast of Manchester. Movement was
east at 25 mph.

Pea size hail and winds in excess of 30 mph will be possible with
these storms.

Locations impacted include...
Idabel, Broken Bow, Haworth, Bokhoma, Eagletown, Plunketville, Moon,
Cerrogordo, Smithville, Hochatown, Harris, Watson, Goodwater,
Shinewell, Mount Herman, Sherwood, Tom, Holly Creek, America and
Bethel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

These storms 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 3451 9446 3370 9448 3371 9506 3390 9492
      3408 9483 3429 9485 3451 9493
TIME...MOT...LOC 0236Z 266DEG 23KT 3452 9492 3437 9487 3414 9482 3394
9491 3376 9503

19
Special weather statement, Jun 6, 10:18 PM CDT, 2 hours 16 minutes before
Special Weather Statement
National Weather Service Shreveport LA
1018 PM CDT Sun Jun 6 2021

ARZ050-059-OKZ077-070400-
Sevier AR-Little River AR-McCurtain OK-
1018 PM CDT Sun Jun 6 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN LITTLE RIVER...
SEVIER AND SOUTHEASTERN MCCURTAIN COUNTIES UNTIL 1100 PM CDT...

At 1018 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 12 miles northeast of Broken Bow to 11 miles
west of De Queen to 7 miles west of Horatio to 7 miles west of
Arkinda to 13 miles south of Idabel. Movement was east at 40 mph.

Pea size hail and winds in excess of 30 mph will be possible with
these storms.

Locations impacted include...
De Queen, Horatio, Foreman, Lockesburg, Winthrop, Gillham, Ben
Lomond, Arkinda, Oak Grove, Haworth, Eagletown, Silver Ridge, Moon,
Cerrogordo, Geneva, Central, Goodwater, Shinewell, America and Provo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

These storms 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 3419 9409 3414 9410 3413 9408 3408 9409
      3407 9408 3403 9409 3400 9407 3391 9408
      3369 9422 3371 9475 3373 9475 3373 9481
      3377 9482 3376 9483 3373 9482 3374 9486
      3383 9476 3397 9470 3407 9467 3420 9470
TIME...MOT...LOC 0318Z 255DEG 35KT 3418 9463 3409 9453 3396 9448 3382
9459 3371 9474

19
Special weather statement, Jun 7, 12:34 AM CDT, 0 minutes before
Special Weather Statement
National Weather Service Shreveport LA
1234 AM CDT Mon Jun 7 2021

ARZ060-061-070615-
Hempstead AR-Nevada AR-
1234 AM CDT Mon Jun 7 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN HEMPSTEAD AND
NORTHWESTERN NEVADA COUNTIES UNTIL 115 AM CDT...

At 1234 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Daisy to near Crater Of Diamonds State Park to
near Blevins to 7 miles west of Washington. Movement was east at 20
mph.

Pea size hail and winds in excess of 35 mph will be possible with
these storms.

Locations impacted include...
Prescott, Emmet, Blevins, Washington, McCaskill, Ozan, Oakhaven and
Boughton.

LAT...LON 3398 9365 3396 9362 3395 9353 3395 9350
      3396 9347 3395 9342 3396 9338 3390 9330
      3388 9331 3386 9330 3374 9334 3370 9385
      3384 9380 3398 9369 3399 9370
TIME...MOT...LOC 0534Z 249DEG 15KT 3424 9375 3402 9359 3387 9364 3374
9380

20

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 6, 7:09 PM CDTSpecial Weather StatementSHVSmith51 min
Jun 6, 7:43 PM CDTSpecial Weather StatementSHVShelby62 min
Jun 6, 7:51 PM CDTAreal Flood AdvisorySHVSmith114 min
Jun 6, 7:54 PM CDTSevere Thunderstorm WarningSHVSmith51 min
Jun 7, 3:04 AM CDTFlash Flood WatchSHVBowie, Camp, Cass, Cherokee, Franklin, Gregg and 10 more52 hr
Jun 7, 8:03 AM CDTRiver Flood WarningSHVNacogdoches, Rusk49 hr
Jun 7, 8:47 AM CDTRiver Flood WarningSHVGregg24 hr
Jun 7, 8:52 AM CDTRiver Flood WarningSHVCherokee, Nacogdoches, Rusk, Smith4 days
Jun 7, 11:51 AM CDTSpecial Weather StatementSHVCherokee, Smith54 min
Jun 7, 12:37 PM CDTSevere Thunderstorm WarningSHVCherokee, Gregg, Nacogdoches, Rusk, Smith, Upshur and 1 more53 min
Jun 7, 1:41 PM CDTSpecial Weather StatementSHVAngelina, Harrison, Nacogdoches, Panola, Rusk49 min
Jun 7, 2:20 PM CDTSpecial Weather StatementSHVPanola40 min
Jun 7, 2:30 PM CDTSpecial Weather StatementSHVAngelina, San Augustine, Shelby45 min
Jun 7, 3:37 PM CDTSpecial Weather StatementSHVSabine53 min
Jun 7, 2:51 PM CDTAreal Flood AdvisorySHVBossier, Caddo3 hr
Jun 7, 3:04 PM CDTSpecial Weather StatementSHVBossier, Caddo, Webster56 min
Jun 7, 3:13 PM CDTSevere Thunderstorm WarningSHVBienville, Bossier, Caddo, Claiborne, De Soto, Webster47 min
Jun 7, 3:52 PM CDTSpecial Weather StatementSHVClaiborne53 min
Jun 7, 4:01 PM CDTSevere Thunderstorm WarningSHVBienville, Claiborne, Jackson, Lincoln, Union, Webster44 min
Jun 7, 4:14 PM CDTSpecial Weather StatementSHVOuachita46 min
Jun 7, 4:21 PM CDTSevere Thunderstorm WarningSHVClaiborne, Union54 min
Jun 7, 4:30 PM CDTSpecial Weather StatementSHVGrant, Natchitoches, Winn45 min
Jun 7, 4:45 PM CDTSevere Thunderstorm WarningSHVCaldwell, Jackson, Lincoln, Ouachita, Union, Winn60 min
Jun 7, 5:45 PM CDTSpecial Weather StatementSHVOuachita30 min
Jun 6, 10:18 PM CDTSpecial Weather StatementSHVLittle River, Sevier42 min
Jun 7, 2:22 AM CDTFlash Flood WarningSHVHempstead, Howard, Little River, Sevier4 hr
Jun 7, 3:25 AM CDTSpecial Weather StatementSHVNevada35 min
Jun 7, 4:00 AM CDTSpecial Weather StatementSHVHoward45 min
Jun 7, 4:33 AM CDTSpecial Weather StatementSHVHempstead27 min
Jun 7, 3:42 PM CDTSpecial Weather StatementSHVNevada33 min
Jun 7, 4:08 PM CDTTornado WarningSHVUnion37 min
Jun 6, 8:40 PM CDTSpecial Weather StatementSHVMcCurtain65 min
Jun 6, 9:36 PM CDTSpecial Weather StatementSHVMcCurtain39 min
Jun 7, 4:39 PM CDTAreal Flood AdvisorySHVMcCurtain3 hr
Jun 7, 5:01 PM CDTFlash Flood WarningSHVMcCurtain5 hr

Nearby

Special Weather Statements in Arkansas, 2021Every special weather statement in 2021

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.