Alert archive / Texas / Flash Flood Warnings in 2016

Flash Flood Warning 9, NWS Fort Worth, TX

March 30, 2016Johnson County, Texas

NWS Fort Worth, TX issued this flash flood warning at Mar 30, 2016, 6:05 PM CDT for Johnson County, Texas. 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 outline as issued.

The facts

Issued: Mar 30, 2016, 6:05 PM CDT (23:05 UTC)
Expired: Mar 30, 2016, 9:00 PM CDT
In force: 3 hr
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Flood severity: None

County Johnson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 10 km from the middle of the area, began a volume at 23:05 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

Fort Worth, TX (KFWD), launched 12:00Z, 11.1 hours before the alert went out and 39 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: 1073 J/kg
Mixed-layer CIN: -133 J/kg
Mixed-layer LCL: 594 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 160 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

As transmitted.

800 
WGUS54 KFWD 302305
FFWFWD
TXC251-310200-
/O.NEW.KFWD.FF.W.0009.160330T2305Z-160331T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
605 PM CDT WED MAR 30 2016

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN JOHNSON COUNTY IN NORTH CENTRAL TEXAS...

* UNTIL 900 PM CDT

* AT 603 PM CDT...TRAINED WEATHER SPOTTERS REPORTED THUNDERSTORMS
  PRODUCING HEAVY RAIN HAVE RESULTED IN MINOR FLOODING ACROSS THE
  CITY OF JOSHUA. WITH ADDITIONAL THUNDERSTORMS MOVING SLOWLY TO THE
  NORTHEAST INTO THE WARNED AREA...FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MANSFIELD...BURLESON...CLEBURNE...KEENE...JOSHUA...ALVARADO...VENUS...
  CROSS TIMBER AND BRIAROAKS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3255 9736 3255 9709 3238 9709 3237 9756

$$

BAIN

1 follow-up statement

565 
WGUS74 KFWD 310051
FFSFWD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
751 PM CDT WED MAR 30 2016

TXC251-310059-
/O.CAN.KFWD.FF.W.0009.000000T0000Z-160331T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JOHNSON TX-
751 PM CDT WED MAR 30 2016

...THE FLASH FLOOD WARNING FOR NORTHERN JOHNSON COUNTY IS
CANCELLED...

THE HEAVY RAIN HAS ENDED AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT. SOME LOW LYING ROADWAYS MAYS STILL HAVE ELEVATED WATER
LEVELS. REMEMBER...NEVER DRIVE THROUGH FLOODED ROADWAYS. 

LAT...LON 3255 9736 3255 9709 3238 9709 3237 9756

$$

92

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 29, 10:18 PM CDT	Wind Advisory	FWD	Bell, Collin, Cooke, Dallas, Denton, Ellis and 16 more	4 hr
Mar 30, 1:40 PM CDT	Special Weather Statement	FWD	Stephens	20 min
Mar 30, 1:46 PM CDT	Special Weather Statement	FWD	Henderson	14 min
Mar 30, 1:53 PM CDT	Severe Thunderstorm Warning	FWD	Stephens	67 min
Mar 30, 2:05 PM CDT	Special Weather Statement	FWD	Van Zandt	40 min
Mar 30, 2:26 PM CDT	Severe Thunderstorm Warning	FWD	Henderson, Van Zandt	64 min
Mar 30, 2:58 PM CDT	Severe Thunderstorm Warning	FWD	Palo Pinto, Stephens	62 min
Mar 30, 3:03 PM CDT	Special Weather Statement	FWD	Wise	27 min
Mar 30, 3:09 PM CDT	Special Weather Statement	FWD	Young	21 min
Mar 30, 3:15 PM CDT	Severe Thunderstorm Warning	FWD	Wise	60 min
Mar 30, 3:33 PM CDT	Severe Thunderstorm Warning	FWD	Parker	57 min
Mar 30, 3:55 PM CDT	Severe Thunderstorm Warning	FWD	Palo Pinto	65 min
Mar 30, 3:57 PM CDT	Severe Thunderstorm Warning	FWD	Erath	63 min
Mar 30, 4:13 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Eastland	47 min
Mar 30, 4:32 PM CDT	Special Weather Statement	FWD	Tarrant	43 min
Mar 30, 4:43 PM CDT	Severe Thunderstorm Warning	FWD	Parker, Tarrant	47 min
Mar 30, 4:49 PM CDT	Areal Flood Advisory	FWD	Parker	3 hr
Mar 30, 4:58 PM CDT	Special Weather Statement	FWD	Hamilton	47 min
Mar 30, 5:03 PM CDT	Severe Thunderstorm Warning	FWD	Hood, Johnson, Somervell	42 min
Mar 30, 5:09 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Hamilton	66 min
Mar 30, 5:15 PM CDT	Tornado Warning	FWD	Johnson	15 min
Mar 30, 5:27 PM CDT	Severe Thunderstorm Warning	FWD	Johnson, Tarrant	63 min
Mar 30, 5:52 PM CDT	Areal Flood Advisory	FWD	Comanche, Hamilton	3 hr
Mar 30, 5:57 PM CDT	Severe Thunderstorm Warning	FWD	Dallas, Ellis	63 min
Mar 30, 6:14 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Hamilton	61 min
Mar 30, 6:25 PM CDT	Severe Thunderstorm Warning	FWD	Ellis, Johnson	65 min
Mar 30, 6:34 PM CDT	Severe Thunderstorm Warning	FWD	Bosque	41 min
Mar 30, 6:42 PM CDT	Flash Flood Warning	FWD	Hamilton	2 hr
Mar 30, 6:59 PM CDT	Severe Thunderstorm Warning	FWD	Bosque, Coryell, Hamilton, McLennan	51 min

Nearby

Flash Flood Warnings in Texas, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.