Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Shreveport, LA

July 19, 2021Red River County, Texas

NWS Shreveport, LA issued this special weather statement at Jul 19, 2021, 4:35 PM CDT for Red River County, Texas. It was in force for 40 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 19, 2021, 4:35 PM CDT (21:35 UTC)
Expired: Jul 19, 2021, 5:15 PM CDT
In force: 40 min
Issued by: NWS Shreveport, LA

County Red River County, TX

The radar

The Western Arkansas radar (KSRX), 164 km from the middle of the area, began a volume at 21:34 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

Fort Worth, TX (KFWD), launched 12:00Z, 9.6 hours before the alert went out and 272 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 884 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 982 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 60 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 19, 2:52 PM CDT, 1 hour 43 minutes earlier.

Area forecast discussion, Jul 19, 2:52 PM CDT, 1 hour 43 minutes before

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Hazardous weather outlook, Jul 19, 12:35 PM CDT, 4 hours before

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In the hours before

Local storm report, Jul 19, 3:00 PM CDT, 1 hour 35 minutes before

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Local storm report, Jul 19, 3:27 PM CDT, 1 hour 8 minutes before

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Special weather statement, Jul 19, 4:35 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 5:57 AM CDT	Special Weather Statement	SHV	Cass, Marion	48 min
Jul 19, 7:27 AM CDT	Special Weather Statement	SHV	Marion	48 min
Jul 19, 7:32 AM CDT	Special Weather Statement	SHV	Gregg, Upshur	43 min
Jul 19, 8:17 AM CDT	Special Weather Statement	SHV	Gregg, Harrison, Upshur	43 min
Jul 19, 8:39 AM CDT	Areal Flood Advisory	SHV	Harrison, Marion	3 hr
Jul 19, 9:29 AM CDT	Flash Flood Warning	SHV	Gregg, Harrison, Rusk	2 hr
Jul 19, 10:09 AM CDT	Areal Flood Advisory	SHV	Gregg, Harrison, Panola, Rusk	3 hr
Jul 19, 11:21 AM CDT	Areal Flood Advisory	SHV	Cherokee, Rusk, Smith	114 min
Jul 19, 12:56 PM CDT	Flash Flood Warning	SHV	Smith	3 hr
Jul 19, 7:02 AM CDT	Areal Flood Advisory	SHV	Union	3 hr

Nearby

Special Weather Statements in Texas, 2021 Every 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.