Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Shreveport, LA

December 6, 2021Bowie County, Texas

NWS Shreveport, LA issued this special weather statement at Dec 6, 2021, 4:17 AM CST for Bowie County, Texas. It was in force for 43 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: Dec 6, 2021, 4:17 AM CST (10:17 UTC)
Expired: Dec 6, 2021, 5:00 AM CST
In force: 43 min
Issued by: NWS Shreveport, LA
Hail: 0.88 in
Wind: 40

County Bowie County, TX

The radar

The Shreveport radar (KSHV), 145 km from the middle of the area, began a volume at 10:19 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, 10.3 hours before the alert went out and 146 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: 496 J/kg
Mixed-layer CIN: -130 J/kg
Mixed-layer LCL: 965 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 254 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 0.8

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 Dec 6, 1:44 AM CST, 2 hours 33 minutes earlier.

Area forecast discussion, Dec 6, 1:44 AM CST, 2 hours 33 minutes before

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Hazardous weather outlook, Dec 6, 2:22 AM CST, 1 hour 55 minutes before

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In the hours before

Special weather statement, Dec 6, 1:36 AM CST, 2 hours 41 minutes before

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Special weather statement, Dec 6, 3:51 AM CST, 26 minutes before

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Special weather statement, Dec 6, 4:17 AM CST, 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
Dec 6, 12:36 AM CST	Lake Wind Advisory	SHV	Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more	14 hr
Dec 6, 5:27 AM CST	Special Weather Statement	SHV	Sabine	48 min
Dec 6, 5:35 AM CST	Special Weather Statement	SHV	Sabine	40 min
Dec 6, 6:06 AM CST	Tornado Warning	SHV	Sabine	24 min
Dec 6, 6:11 AM CST	Special Weather Statement	SHV	Vernon	34 min
Dec 6, 9:28 AM CST	Special Weather Statement	SHV	LaSalle	47 min
Dec 6, 9:47 AM CST	Special Weather Statement	SHV	Natchitoches	43 min
Dec 6, 10:28 AM CST	Special Weather Statement	SHV	Grant	47 min
Dec 6, 10:33 AM CST	Severe Thunderstorm Warning	SHV	Grant, Natchitoches	42 min
Dec 6, 3:51 AM CST	Special Weather Statement	SHV	Little River	39 min
Dec 6, 1:36 AM CST	Special Weather Statement	SHV	McCurtain	39 min

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.