Alert archive / Missouri / Flash Flood Warnings in 2016

Flash Flood Warning 65, NWS Springfield, MO

August 5, 2016Howell County, Ozark County, Missouri

NWS Springfield, MO issued this flash flood warning at Aug 5, 2016, 10:40 PM CDT for Howell County, Ozark County, Missouri. It was in force for 4 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: Aug 5, 2016, 10:40 PM CDT (03:40 UTC)
Expired: Aug 6, 2016, 2:45 AM CDT
In force: 4 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

Counties Howell County, MO, Ozark County, MO

The radar

The Springfield radar (KSGF), 107 km from the middle of the area, began a volume at 03:40 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, 3.7 hours before the alert went out and 122 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: 1836 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1185 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

561 
WGUS53 KSGF 060340
FFWSGF
MOC091-153-060745-
/O.NEW.KSGF.FF.W.0065.160806T0340Z-160806T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1040 PM CDT FRI AUG 5 2016

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN HOWELL COUNTY IN SOUTH CENTRAL MISSOURI...
  OZARK COUNTY IN SOUTHWESTERN MISSOURI...

* UNTIL 245 AM CDT
    
* AT 1038 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAS
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* CREEKS...STREAMS...AND LOW WATER CROSSINGS WILL BE ESPECIALLY
  SUSCEPTIBLE TO THE DANGERS OF FLASH FLOODING.
  LOCATIONS IN THE WARNING INCLUDE...
  GAINESVILLE...                    BAKERSFIELD...
  SOUTH FORK...                     PONTIAC...
  SUNDOWN...                        WILLHOIT...
  MOODY...                          ISABELLA...
  ZANONI...                         UDALL...
  TECUMSEH...                       LANTON...
  POTTERSVILLE...                   SYCAMORE...
  LONG RUN...                       BRIXEY...
  THORNFIELD...                     CAULFIELD...
  NOBLE...                          HARDENVILLE...

THIS WARNING INCLUDES BUT IS NOT LIMITED TO THE FOLLOWING LOW WATER
CROSSINGS...
HIGHWAY 142 AT THE SPRING RIVER WEST OF LANTON...
HIGHWAY 142 AT THE BENNETTS RIVER WEST OF MOODY...
ROUTE K...3 MILES SOUTHWEST OF POTTERSVILLE...
HIGHWAY 142 AT MYATT CREEK 4 MILES EAST OF LANTON...
AND HIGHWAY 181 AT BRYANT CREEK NORTHEAST OF SYCAMORE.

BECAUSE THUNDERSTORMS ARE MOVING SLOWLY AND TRAINING OVER THE SAME
AREAS...AN ADDITIONAL ONE TO THREE INCHES OF RAIN WILL BE POSSIBLE
IN SOME PARTS OF THE WARNING AREA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.  DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN.  DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND AN ALTERNATE ROUTE.  IT TAKES ONLY A FEW INCHES
OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

&&

LAT...LON 3661 9264 3665 9277 3677 9277 3675 9212
      3650 9171 3650 9263

$$

DSA

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 5, 7:23 PM CDT	Special Weather Statement	SGF	Lawrence	52 min
Aug 5, 7:27 PM CDT	Areal Flood Advisory	SGF	Texas	4 hr
Aug 5, 8:05 PM CDT	Special Weather Statement	SGF	Taney	40 min
Aug 5, 8:10 PM CDT	Severe Thunderstorm Warning	SGF	Taney	22 min
Aug 5, 10:13 PM CDT	Flash Flood Warning	SGF	Ozark, Taney	4 hr
Aug 6, 12:43 AM CDT	Areal Flood Warning	SGF	Maries, Phelps	8 hr
Aug 6, 2:13 AM CDT	Areal Flood Warning	SGF	Howell, Ozark, Taney	8 hr
Aug 6, 2:15 PM CDT	Areal Flood Advisory	SGF	Douglas, Howell, Ozark	4 hr

Nearby

Flash Flood Warnings in Missouri, 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.