Alert archive / Arkansas / Special Weather Statements in 2017

Special Weather Statement, NWS Shreveport, LA

July 5, 20175 counties in Texas; 8 counties in Arkansas

NWS Shreveport, LA issued this special weather statement at Jul 5, 2017, 6:14 AM CDT for 5 counties in Texas; 8 counties in Arkansas. It was in force for 61 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
Jul 5, 2017, 6:14 AM CDT (11:14 UTC)
Expired
Jul 5, 2017, 7:15 AM CDT
In force
61 min
Issued by
NWS Shreveport, LA

Counties Columbia County, AR, Hempstead County, AR, Howard County, AR, Lafayette County, AR, Little River County, AR, Miller County, AR, Nevada County, AR, Sevier County, AR, Bowie County, TX, Cass County, TX, Morris County, TX, Red River County, TX, Titus County, TX

The radar

The Shreveport radar (KSHV), 144 km from the middle of the area, began a volume at 11:17 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, 11.2 hours before the alert went out and 143 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 2017-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 876 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 2017-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 square meters per square second.1939Sfc1 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
876 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
1463 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jul 5, 6:11 AM CDT, 3 minutes earlier.

Area forecast discussion, Jul 5, 6:11 AM CDT, 3 minutes before
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Hazardous weather outlook, Jul 4, 12:36 PM CDT, 17 hours 38 minutes before
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In the hours before

Special weather statement, Jul 5, 2:16 AM CDT, 3 hours 58 minutes before
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Special weather statement, Jul 5, 2:30 AM CDT, 3 hours 44 minutes before
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Special weather statement, Jul 5, 3:16 AM CDT, 2 hours 58 minutes before
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Special weather statement, Jul 5, 4:21 AM CDT, 1 hour 53 minutes before
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Special weather statement, Jul 5, 5:16 AM CDT, 58 minutes before
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Special weather statement, Jul 5, 6:14 AM CDT, 0 minutes before
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        Please try again in a few minutes.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 1:45 AM CDTSpecial Weather StatementSHVRed River45 min
Jul 5, 2:30 AM CDTSpecial Weather StatementSHVRed River45 min
Jul 5, 2:59 AM CDTAreal Flood AdvisorySHVRed River2 hr
Jul 5, 3:16 AM CDTSpecial Weather StatementSHVRed River59 min
Jul 5, 4:05 AM CDTAreal Flood WarningSHVBowie3 hr
Jul 5, 4:21 AM CDTSpecial Weather StatementSHVBowie, Red River54 min
Jul 5, 4:35 AM CDTAreal Flood WarningSHVBowie, Red River3 hr
Jul 5, 5:12 AM CDTFlash Flood WarningSHVRed River3 hr
Jul 5, 5:16 AM CDTSpecial Weather StatementSHVBowie, Red River, Titus59 min
Jul 5, 6:03 AM CDTAreal Flood AdvisorySHVBowie, Red River117 min
Jul 5, 6:05 AM CDTFlash Flood WarningSHVBowie, Red River115 min
Jul 5, 7:18 AM CDTSpecial Weather StatementSHVBowie, Camp, Cass, Franklin, Morris, Red River and 2 more57 min
Jul 5, 7:51 AM CDTFlash Flood WarningSHVBowie, Franklin, Red River, Titus3 hr
Jul 5, 8:02 AM CDTSpecial Weather StatementSHVBowie, Camp, Cass, Franklin, Marion, Morris and 4 more58 min
Jul 5, 5:33 PM CDTRiver Flood WarningSHVBowie, Red River42 hr
Jul 4, 8:30 PM CDTSpecial Weather StatementSHVGrant45 min
Jul 4, 8:44 PM CDTSpecial Weather StatementSHVGrant46 min
Jul 4, 9:00 PM CDTSpecial Weather StatementSHVSabine45 min
Jul 4, 9:32 PM CDTSpecial Weather StatementSHVGrant43 min
Jul 5, 1:02 AM CDTSpecial Weather StatementSHVHoward, Sevier43 min
Jul 5, 3:27 AM CDTAreal Flood AdvisorySHVHoward, Little River, Sevier3 hr
Jul 5, 4:55 AM CDTFlash Flood WarningSHVLittle River, Sevier3 hr
Jul 5, 10:51 AM CDTRiver Flood WarningSHVLittle River, Sevier57 hr
Jul 5, 12:42 AM CDTSpecial Weather StatementSHVMcCurtain48 min
Jul 5, 1:30 AM CDTSpecial Weather StatementSHVMcCurtain45 min
Jul 5, 1:57 AM CDTAreal Flood AdvisorySHVMcCurtain3 hr
Jul 5, 2:16 AM CDTSpecial Weather StatementSHVMcCurtain44 min

Nearby

Special Weather Statements in Arkansas, 2017Special Weather Statements in Texas, 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.