Alert archive / Arkansas / Flash Flood Warnings in 2016

Flash Flood Warning 37, NWS Jackson, MS

March 10, 2016Ashley County, Arkansas

NWS Jackson, MS issued this flash flood warning at Mar 10, 2016, 12:40 PM CST for Ashley County, Arkansas. It was in force for 24 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Mar 10, 2016, 12:40 PM CST (18:40 UTC)
Expired: Mar 11, 2016, 12:45 PM CST
In force: 24 hr
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Flood severity: None

County Ashley County, AR

The radar

The Little Rock radar (KLZK), 182 km from the middle of the area, began a volume at 18:42 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.

What was reported inside it

Time	Report	Where	Remark
Mar 11, 11:30 AM CST	FLASH FLOOD	Hamburg, AR	EXTENSIVE FLOODING IS STILL ONGOING ACROSS THE COUNTY WITH MANY ROADS FLOODED AND CLOSED ALONG WITH SEVERAL WASHED OUT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Shreveport, LA (KBAD), launched 12:00Z, 6.7 hours before the alert went out and 182 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: 148 J/kg
Mixed-layer CIN: -254 J/kg
Mixed-layer LCL: 614 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: -155 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

245 
WGUS54 KJAN 101840
FFWJAN
ARC003-110045-
/O.NEW.KJAN.FF.W.0037.160310T1840Z-160311T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1240 PM CST THU MAR 10 2016

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ASHLEY COUNTY IN SOUTHEASTERN ARKANSAS...

* UNTIL 645 PM CST THURSDAY

* AT 1238 PM CST...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
  WARNED AREA. STORM TOTAL RAINFALL AMOUNTS IN EXCESS OF 10 INCHES
  OF RAIN HAVE FALLEN. SIGNIFICANT FLASH FLOODING IS OCCURRING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CROSSETT...HAMBURG...WILMOT...NORTH CROSSETT...WEST CROSSETT...
  PORTLAND...MONTROSE...PARKDALE...FOUNTAIN HILL...BERLIN...OLD
  MILO...SNYDER AND BLANCHTON.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHERS ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3315 9211 3316 9214 3319 9214 3321 9213
      3321 9208 3324 9209 3325 9205 3328 9204
      3331 9198 3335 9199 3335 9197 3338 9196
      3340 9199 3339 9146 3301 9146 3301 9206
      3303 9209 3303 9211 3310 9214

$$

17

3 follow-up statements

563 
WGUS54 KJAN 110014
FFWJAN
ARC003-110645-
/O.EXT.KJAN.FF.W.0037.000000T0000Z-160311T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
614 PM CST THU MAR 10 2016

THE NATIONAL WEATHER SERVICE IN JACKSON HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  ASHLEY COUNTY IN SOUTHEASTERN ARKANSAS...

* UNTIL 1245 AM CST FRIDAY

* AT 612 PM CST...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
  WARNED AREA. STORM TOTALS IN EXCESS OF 10 INCHES OF RAIN HAVE
  FALLEN. SIGNIFICANT FLASH FLOODING IS CONTINUING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CROSSETT...HAMBURG...WILMOT...NORTH CROSSETT...WEST CROSSETT...
  PORTLAND...MONTROSE...PARKDALE...FOUNTAIN HILL...BERLIN...OLD
  MILO...SNYDER AND BLANCHTON.

ADDITIONAL RAINFALL AMOUNTS OF TWO TO FOUR INCHES ARE POSSIBLE IN
THE WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3315 9211 3316 9214 3319 9214 3321 9213
      3321 9208 3324 9209 3325 9205 3328 9204
      3331 9198 3335 9199 3335 9197 3338 9196
      3340 9199 3339 9146 3301 9146 3301 9206
      3303 9209 3303 9211 3310 9214

$$

17

693 
WGUS54 KJAN 110638
FFWJAN
ARC003-111245-
/O.EXT.KJAN.FF.W.0037.000000T0000Z-160311T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1238 AM CST FRI MAR 11 2016

THE NATIONAL WEATHER SERVICE IN JACKSON HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  ASHLEY COUNTY IN SOUTHEASTERN ARKANSAS...

* UNTIL 645 AM CST FRIDAY

* AT 1235 AM CST...WIDESPREAD FLOODING CONTINUES ACROSS THE COUNTY
  AND SEVERAL ROADS REMAIN IMPASSABLE. IN THE EASTERN PART OF THE
  COUNTY...BAYOU BARTHOLOMEW CONTINUES TO RISE TONIGHT. OVER A FOOT
  OF RAIN HAS FALLEN ACROSS MOST OF THE COUNTY SINCE TUESDAY NIGHT.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CROSSETT...HAMBURG...WILMOT...NORTH CROSSETT...WEST CROSSETT...
  PORTLAND...MONTROSE...PARKDALE...FOUNTAIN HILL...BERLIN...OLD
  MILO...SNYDER AND BLANCHTON.

ADDITIONAL RAIN IS DEVELOPING TO THE SOUTH OF THE AREA TONIGHT AND
WILL MOVE IN OVERNIGHT. THIS RAIN MAY PROLONG OR FURTHER AGGRIVATE
THE ONGOING FLOOD PROBLEMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3315 9211 3316 9214 3319 9214 3321 9213
      3321 9208 3324 9209 3325 9205 3328 9204
      3331 9198 3335 9199 3335 9197 3338 9196
      3340 9199 3339 9146 3301 9146 3301 9206
      3303 9209 3303 9211 3310 9214

$$

DL

910 
WGUS54 KJAN 111237
FFWJAN
ARC003-111845-
/O.EXT.KJAN.FF.W.0037.000000T0000Z-160311T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
637 AM CST FRI MAR 11 2016

THE NATIONAL WEATHER SERVICE IN JACKSON HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  ASHLEY COUNTY IN SOUTHEASTERN ARKANSAS...

* UNTIL 1245 PM CST FRIDAY

* AT 636 AM CST...WIDESPREAD FLOODING CONTINUES ACROSS THE COUNTY
  AND SEVERAL ROADS REMAIN IMPASSABLE. IN THE EASTERN PART OF THE
  COUNTY...BAYOU BARTHOLOMEW CONTINUES TO RISE THIS MORNING. OVER A
  FOOT OF RAIN HAS FALLEN ACROSS MOST OF THE COUNTY SINCE TUESDAY
  NIGHT.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CROSSETT...HAMBURG...WILMOT...NORTH CROSSETT...WEST CROSSETT...
  PORTLAND...MONTROSE...PARKDALE...FOUNTAIN HILL...BERLIN...OLD
  MILO...SNYDER AND BLANCHTON.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO THREE INCHES ARE POSSIBLE IN
THE WARNED AREA TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3315 9211 3316 9214 3319 9214 3321 9213
      3321 9208 3324 9209 3325 9205 3328 9204
      3331 9198 3335 9199 3335 9197 3338 9196
      3340 9199 3339 9146 3301 9146 3301 9206
      3303 9209 3303 9211 3310 9214

$$

DL

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 9, 6:09 PM CST	Special Weather Statement	JAN	Ashley	36 min
Mar 9, 6:37 PM CST	Special Weather Statement	JAN	Chicot	23 min
Mar 9, 7:31 PM CST	Flash Flood Warning	JAN	Ashley, Chicot	6 hr
Mar 9, 10:29 PM CST	Special Weather Statement	JAN	Chicot	46 min
Mar 10, 1:26 AM CST	Flash Flood Warning Emergency	JAN	Chicot	11 hr
Mar 10, 1:29 AM CST	Flash Flood Warning	JAN	Ashley	12 hr
Mar 10, 9:21 AM CST	Flash Flood Warning Emergency	JAN	Ashley, Chicot	3 hr
Mar 10, 12:14 PM CST	Flash Flood Warning	JAN	Chicot	24 hr

Nearby

Flash Flood Warnings in Arkansas, 2016 Every flash flood warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.