Alert archive / Arkansas / Flash Flood Warnings in 2013

Flash Flood Warning 83, NWS Little Rock, AR

August 12, 2013Baxter County, Boone County, Marion County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Aug 12, 2013, 1:24 PM CDT for Baxter County, Boone County, Marion 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: Aug 12, 2013, 1:24 PM CDT (18:24 UTC)
Expired: Aug 12, 2013, 4:30 PM CDT
In force: 3 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Baxter County, AR, Boone County, AR, Marion County, AR

The radar

The Springfield radar (KSGF), 122 km from the middle of the area, began a volume at 18:26 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 12:00Z, 6.4 hours before the alert went out and 119 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: 1965 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 698 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 7 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.9

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 Little Rock, AR wrote its last area forecast discussion before this flash flood warning went out at Aug 12, 12:16 PM CDT, 1 hour 8 minutes earlier.

Area forecast discussion, Aug 12, 12:16 PM CDT, 1 hour 8 minutes before

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Hazardous weather outlook, Aug 12, 3:22 AM CDT, 10 hours 2 minutes before

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In the hours before

Special weather statement, Aug 12, 1:14 PM CDT, 10 minutes before

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The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 12, 3:49 AM CDT	Flash Flood Watch	LZK	Baxter, Cleburne, Conway, Faulkner, Fulton, Garland and 14 more	44 hr
Aug 12, 1:14 PM CDT	Special Weather Statement	LZK	Boone	26 min
Aug 12, 1:33 PM CDT	Special Weather Statement	LZK	Pulaski	22 min
Aug 12, 1:40 PM CDT	Special Weather Statement	LZK	Stone	25 min
Aug 12, 1:49 PM CDT	Special Weather Statement	LZK	Newton	26 min
Aug 12, 1:55 PM CDT	Severe Thunderstorm Warning	LZK	Fulton, Sharp	35 min
Aug 12, 2:12 PM CDT	Special Weather Statement	LZK	Stone	23 min
Aug 12, 2:18 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence, Stone	42 min
Aug 12, 2:20 PM CDT	Special Weather Statement	LZK	Izard	25 min
Aug 12, 2:23 PM CDT	Special Weather Statement	LZK	Pope	47 min
Aug 12, 2:29 PM CDT	Severe Thunderstorm Warning	LZK	Independence, Jackson	31 min
Aug 12, 2:37 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Stone, Van Buren	38 min
Aug 12, 3:30 PM CDT	Special Weather Statement	LZK	Perry	30 min
Aug 12, 3:52 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Perry	23 min
Aug 12, 3:55 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Perry, Yell	35 min
Aug 12, 4:07 PM CDT	Special Weather Statement	LZK	Jackson	43 min
Aug 12, 4:15 PM CDT	Special Weather Statement	LZK	Polk, Scott	45 min
Aug 12, 4:24 PM CDT	Flash Flood Warning	LZK	Conway, Faulkner, Perry, Pope, Pulaski, Saline and 1 more	2 hr
Aug 12, 4:27 PM CDT	Severe Thunderstorm Warning	LZK	Perry	33 min
Aug 12, 4:34 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Polk, Scott	26 min
Aug 12, 4:46 PM CDT	Severe Thunderstorm Warning	LZK	Monroe, Prairie	29 min
Aug 12, 4:59 PM CDT	Severe Thunderstorm Warning	LZK	Garland	31 min
Aug 12, 5:09 PM CDT	Areal Flood Advisory	LZK	Pulaski	111 min
Aug 12, 5:33 PM CDT	Special Weather Statement	LZK	Montgomery	32 min
Aug 12, 5:43 PM CDT	Severe Thunderstorm Warning	LZK	Jefferson	32 min
Aug 12, 5:59 PM CDT	Special Weather Statement	LZK	Clark, Hot Spring, Pike	46 min

Nearby

Flash Flood Warnings in Arkansas, 2013 Every flash flood warning in 2013

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.