Alert archive / Arkansas / Flash Flood Warnings in 2019

Flash Flood Warning 87, NWS Little Rock, AR

July 16, 20194 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at Jul 16, 2019, 6:58 AM CDT for 4 counties in 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 16, 2019, 6:58 AM CDT (11:58 UTC)
Expired: Jul 16, 2019, 10:00 AM CDT
In force: 3 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Clark County, AR, Montgomery County, AR, Pike County, AR, Polk County, AR

The radar

The Western Arkansas radar (KSRX), 126 km from the middle of the area, began a volume at 11:59 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, 12.0 hours before the alert went out and 204 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: 330 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 1514 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Jul 16, 6:55 AM CDT, 3 minutes earlier.

Area forecast discussion, Jul 16, 6:55 AM CDT, 3 minutes before

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Hazardous weather outlook, Jul 16, 4:06 AM CDT, 2 hours 52 minutes before

Hazardous Weather Outlook
National Weather Service Little Rock AR
406 AM CDT Tue Jul 16 2019

ARZ003>008-012>017-021>025-030>034-037>047-052>057-062>069-170915-
Boone-Marion-Baxter-Fulton-Sharp-Randolph-Newton-Searcy-Stone-
Izard-Independence-Lawrence-Johnson-Pope-Van Buren-Cleburne-
Jackson-Logan-Conway-Faulkner-White-Woodruff-Scott-Yell-Perry-
Polk-Montgomery-Garland-Saline-Pulaski-Lonoke-Prairie-Monroe-Pike-
Clark-Hot Spring-Grant-Jefferson-Arkansas-Dallas-Cleveland-
Lincoln-Desha-Ouachita-Calhoun-Bradley-Drew-
406 AM CDT Tue Jul 16 2019

This Hazardous Weather Outlook is for a Large Part of Arkansas.

.DAY ONE...Today and Tonight

Heavy rain is ongoing across southwest Arkansas this morning with
over 4 inches of rain being measured in less than two hours. The
Flash Flood threat will continue through the day today as heavy
rain will continue form much of the morning and early afternoon
hours. The greatest threat for flash flooding remains across
southwest portions of the state...however flash flooding remains
possible along a line from Arkadelphia to Brinkley.

.DAYS TWO THROUGH SEVEN...Wednesday Through Monday

Heat index values will warm into the mid 90s to just over 100 nearly
every day into the weekend. Some areas may see heat index values
warm above 105 later in the week.

.Spotter Information Statement...

Spotter activation may be needed through Tuesday afternoon.

&&

Visit NWS Little Rock on the web. Go to http://weather.gov/lzk.

In the hours before

Special weather statement, Jul 16, 2:28 AM CDT, 4 hours 30 minutes before

Special Weather Statement
National Weather Service Little Rock AR
228 AM CDT Tue Jul 16 2019

ARZ055-056-160815-
Grant AR-Jefferson AR-
228 AM CDT Tue Jul 16 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN GRANT AND
NORTHWESTERN JEFFERSON COUNTIES UNTIL 315 AM CDT...

At 228 AM CDT, Doppler radar was tracking a strong thunderstorm near
Sheridan, moving east at 25 mph.

Pea size hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Pine Bluff...                     Sheridan...
White Hall...                     Redfield...
Altheimer...                      Cottondale...
Pine Bluff Arsenal...             Madding...
Warbritton...                     Hensley Island...
Sulphur Springs...                Wabbaseka...
Sherrill...                       Ain...
Tucker...                         Pastoria...
Wright...                         Lock and Dam 5 Park...
Kearney...                        Glenlake...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3418 9184 3417 9246 3439 9245 3449 9196
      3448 9185 3431 9176
TIME...MOT...LOC 0728Z 256DEG 23KT 3428 9234

62

Local storm report, Jul 16, 3:58 AM CDT, 3 hours before

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Local storm report, Jul 16, 5:39 AM CDT, 1 hour 19 minutes before

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Special weather statement, Jul 16, 5:48 AM CDT, 1 hour 10 minutes before

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Local storm report, Jul 16, 6:53 AM CDT, 5 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
Jul 16, 1:51 AM CDT	Flash Flood Warning Emergency	LZK	Clark, Dallas, Grant, Hot Spring, Pike	12 hr
Jul 16, 2:28 AM CDT	Special Weather Statement	LZK	Grant, Jefferson	47 min
Jul 16, 3:30 AM CDT	Flash Flood Warning	LZK	Arkansas, Dallas, Grant, Jefferson, Lonoke, Monroe and 3 more	3 hr
Jul 16, 4:09 AM CDT	Flash Flood Warning	LZK	Clark, Hot Spring, Montgomery, Pike, Polk	3 hr
Jul 16, 5:48 AM CDT	Special Weather Statement	LZK	Dallas	42 min
Jul 16, 6:16 AM CDT	Flash Flood Warning	LZK	Arkansas, Cleveland, Dallas, Grant, Jefferson, Lincoln and 2 more	9 hr
Jul 16, 6:27 AM CDT	Severe Thunderstorm Warning	LZK	Calhoun, Cleveland, Dallas, Ouachita	48 min
Jul 16, 7:16 AM CDT	Special Weather Statement	LZK	Bradley, Calhoun, Cleveland	44 min
Jul 16, 7:48 AM CDT	Flash Flood Warning	LZK	Bradley, Calhoun, Clark, Dallas, Ouachita	7 hr
Jul 16, 8:06 AM CDT	River Flood Warning	LZK	Clark, Nevada, Ouachita	3 days
Jul 16, 9:54 AM CDT	Flash Flood Warning	LZK	Clark, Montgomery, Pike, Polk	3 hr
Jul 16, 12:41 PM CDT	Flash Flood Warning	LZK	Clark, Pike, Scott	64 min
Jul 16, 2:59 PM CDT	Heat Advisory	LZK	Arkansas, Baxter, Bradley, Calhoun, Clark, Cleburne and 30 more	29 hr

Nearby

Flash Flood Warnings in Arkansas, 2019 Every flash flood warning in 2019

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.