Alert archive / Arkansas / Flash Flood Warnings in 2023

Flash Flood Warning 45, NWS Shreveport, LA

July 14, 2023Howard County, Sevier County, Arkansas

NWS Shreveport, LA issued this flash flood warning at Jul 14, 2023, 6:47 AM CDT for Howard County, Sevier County, Arkansas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 14, 2023, 6:47 AM CDT (11:47 UTC)
Expired: Jul 14, 2023, 10:00 AM CDT
In force: 3 hr
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Flood severity: None

Counties Howard County, AR, Sevier County, AR

The radar

The Western Arkansas radar (KSRX), 141 km from the middle of the area, began a volume at 11:49 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

Springfield, MO (KSGF), launched 00:00Z, 11.8 hours before the alert went out and 319 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: 1841 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1649 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning 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 flash flood warning went out at Jul 14, 6:41 AM CDT, 6 minutes earlier.

Area forecast discussion, Jul 14, 6:41 AM CDT, 6 minutes before

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Hazardous weather outlook, Jul 14, 4:16 AM CDT, 2 hours 31 minutes before

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In the hours before

Special weather statement, Jul 14, 4:18 AM CDT, 2 hours 29 minutes before

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  <main class="wrap">
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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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 13, 7:03 PM CDT	Heat Advisory	SHV	Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more	72 hr
Jul 14, 9:59 AM CDT	Flash Flood Warning	SHV	Bowie, Red River	3 hr

Nearby

Flash Flood Warnings in Arkansas, 2023 Every flash flood warning in 2023

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.