Alert archive / Missouri / Flash Flood Warnings in 2011

Flash Flood Warning 7, NWS Springfield, MO

April 23, 2011Laclede County, Pulaski County, Missouri

NWS Springfield, MO issued this flash flood warning at Apr 23, 2011, 3:54 AM CDT for Laclede County, Pulaski County, Missouri. It was in force for 5 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: Apr 23, 2011, 3:54 AM CDT (08:54 UTC)
Expired: Apr 23, 2011, 9:00 AM CDT
In force: 5 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

Counties Laclede County, MO, Pulaski County, MO

The radar

The Springfield radar (KSGF), 98 km from the middle of the area, began a volume at 08:58 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, 8.9 hours before the alert went out and 149 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: 2835 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 640 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 231 m²/s²
0-3 km storm-relative helicity: 254 m²/s²
Significant tornado parameter: 4.7
Supercell composite: 18.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

526 
WGUS53 KSGF 230854
FFWSGF
MOC105-169-231400-
/O.NEW.KSGF.FF.W.0007.110423T0854Z-110423T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
354 AM CDT SAT APR 23 2011

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LACLEDE COUNTY IN SOUTHWEST MISSOURI...
  SOUTHERN PULASKI COUNTY IN CENTRAL MISSOURI...

* UNTIL 900 AM CDT.

* AT 348 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE   
  WARNED AREA. RADAR ESTIMATED THAT ONE TO TWO INCHES OF RAIN HAD 
  FALLEN IN PORTIONS OF THE WARNED AREAS SINCE 3 AM AND ADDITIONAL 
  AMOUNTS IN EXCESS OF ONE ARE LIKELY.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. CREEKS...STREAMS AND LOW WATER CROSSINGS WILL BE ESPECIALLY
  SUSCEPTIBLE TO THE DANGERS OF FLASH FLOODING.

THIS WARNING INCLUDES BUT IS NOT LIMITED TO THE FOLLOWING LOW WATER
CROSSINGS...

ROUTE J AT PARKS CREEK 2 MILES EAST OF MORGAN...
ROUTE B AT COBB CREEK 8 MILES SOUTHEAST OF LEBANON...
ROUTE O AT COBB CREEK 5 MILES NORTHWEST OF COMPETITION...
ROUTE T NORTHWEST OF WAYNESVILLE...
NEXUS DRIVE EAST OF PHILLIPSBURG.

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.

&&

LAT...LON 3760 9203 3761 9224 3748 9226 3749 9285
      3772 9285 3772 9286 3779 9286 3783 9258
      3780 9256 3780 9254 3783 9249 3783 9246
      3785 9242 3791 9202

$$

2 follow-up statements

336 
WGUS73 KSGF 231037
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
537 AM CDT SAT APR 23 2011

MOC105-169-231400-
/O.CON.KSGF.FF.W.0007.000000T0000Z-110423T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LACLEDE MO-PULASKI MO-
537 AM CDT SAT APR 23 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 AM CDT FOR
LACLEDE AND SOUTHERN PULASKI COUNTIES...

AT 530 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
SHOWERS AND THUNDERSTORMS PRODUCING MODERATE TO HEAVY RAINFALL 
ACROSS THE WARNED AREA. RADAR ESTIMATED RAINFALL AMOUNTS SINCE 3 AM 
HAVE RANGED FROM ONE TO TWO INCHES ACROSS CENTRAL LACLEDE AND 
PULASKI COUNTIES. ADDITIONAL RAINFALL AMOUNTS OF ONE HALF TO 
ONE INCH WILL BE POSSIBLE THROUGH 9 AM.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. CREEKS...STREAMS AND LOW WATER CROSSINGS WILL BE ESPECIALLY
SUSCEPTIBLE TO THE DANGERS OF FLASH FLOODING.

THIS WARNING INCLUDES BUT IS NOT LIMITED TO THE FOLLOWING LOW WATER
CROSSINGS...

ROUTE J AT PARKS CREEK 2 MILES EAST OF MORGAN...
ROUTE B AT COBB CREEK 8 MILES SOUTHEAST OF LEBANON...
ROUTE O AT COBB CREEK 5 MILES NORTHWEST OF COMPETITION...
ROUTE T NORTHWEST OF WAYNESVILLE...
NEXUS DRIVE EAST OF PHILLIPSBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

&&

LAT...LON 3760 9203 3761 9224 3748 9226 3749 9285
      3772 9285 3772 9286 3779 9286 3783 9258
      3780 9256 3780 9254 3783 9249 3783 9246
      3785 9242 3791 9202

$$

FOSTER

551 
WGUS73 KSGF 231402
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
902 AM CDT SAT APR 23 2011

MOC105-169-231412-
/O.EXP.KSGF.FF.W.0007.000000T0000Z-110423T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LACLEDE MO-PULASKI MO-
902 AM CDT SAT APR 23 2011

...THE FLASH FLOOD WARNING HAS EXPIRED FOR LACLEDE AND SOUTHERN
PULASKI COUNTIES...

THIS FLASH FLOOD WARNING HAS BEEN REPLACED WITH AN AREAL FLOOD 
WARNING. CONTINUED RUNOFF FROM EXCESSIVE RAINFALL SINCE LAST NIGHT 
MAY CONTINUE TO CAUSE FLOODING.

LAT...LON 3760 9203 3761 9224 3748 9226 3749 9285
      3772 9285 3772 9286 3779 9286 3783 9258
      3780 9256 3780 9254 3783 9249 3783 9246
      3785 9242 3791 9202

$$

FOSTER

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 7:00 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Miller	45 min
Apr 22, 7:03 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Shannon, Texas	57 min
Apr 22, 7:09 PM CDT	Tornado Warning	SGF	Christian	51 min
Apr 22, 7:18 PM CDT	Tornado Warning	SGF	Oregon, Shannon	42 min
Apr 22, 7:36 PM CDT	Tornado Warning	SGF	Christian, Douglas, Webster	16 min
Apr 22, 7:36 PM CDT	Tornado Warning	SGF	Phelps, Texas	28 min
Apr 22, 7:39 PM CDT	Flash Flood Warning	SGF	Howell, Oregon, Ozark, Shannon	8 hr
Apr 22, 7:46 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Laclede	25 min
Apr 22, 8:02 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	58 min
Apr 22, 8:22 PM CDT	Special Weather Statement	SGF	Greene	23 min
Apr 22, 8:34 PM CDT	Severe Thunderstorm Warning	SGF	Greene, Webster	26 min
Apr 22, 9:01 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	23 min
Apr 22, 9:52 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Wright	38 min
Apr 22, 10:20 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Shannon, Texas, Wright	55 min
Apr 22, 10:22 PM CDT	Severe Thunderstorm Warning	SGF	Greene, Webster	38 min
Apr 22, 10:31 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone, Taney	29 min
Apr 22, 10:37 PM CDT	Special Weather Statement	SGF	Lawrence	23 min
Apr 22, 10:44 PM CDT	Severe Thunderstorm Warning	SGF	Webster, Wright	46 min
Apr 22, 10:49 PM CDT	Flash Flood Warning	SGF	Dent, Laclede, Shannon, Texas, Wright	6 hr
Apr 22, 11:10 PM CDT	Special Weather Statement	SGF	Shannon, Texas	50 min
Apr 22, 11:18 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Texas	31 min
Apr 22, 11:48 PM CDT	Special Weather Statement	SGF	Texas	27 min
Apr 23, 12:29 AM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	42 min
Apr 23, 12:40 AM CDT	Severe Thunderstorm Warning	SGF	Shannon	35 min
Apr 23, 1:19 AM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone, Taney	56 min
Apr 23, 3:29 AM CDT	Flash Flood Warning	SGF	Dade, Dallas, Polk	6 hr
Apr 23, 3:34 AM CDT	Severe Thunderstorm Warning	SGF	Dallas, Greene, Laclede, Webster	45 min
Apr 23, 3:48 AM CDT	Severe Thunderstorm Warning	SGF	Laclede, Pulaski	49 min
Apr 23, 3:58 AM CDT	Areal Flood Warning	SGF	Dent, Douglas, Howell, Oregon, Ozark, Shannon and 2 more	10 hr
Apr 23, 4:01 AM CDT	Severe Thunderstorm Warning	SGF	Laclede, Wright	35 min
Apr 23, 4:11 AM CDT	Severe Thunderstorm Warning	SGF	Dent, Phelps, Pulaski, Texas	27 min
Apr 23, 5:56 AM CDT	Severe Thunderstorm Warning	SGF	McDonald	64 min
Apr 23, 6:30 AM CDT	Flash Flood Warning	SGF	Barry, McDonald, Newton	6 hr
Apr 23, 9:01 AM CDT	Areal Flood Warning	SGF	Dallas, Laclede, Phelps, Polk, Pulaski	5 hr
Apr 23, 9:29 AM CDT	Special Weather Statement	SGF	Ozark	31 min
Apr 23, 11:04 AM CDT	Special Weather Statement	SGF	Oregon	26 min
Apr 23, 11:30 AM CDT	Special Weather Statement	SGF	Oregon	45 min
Apr 23, 11:53 AM CDT	Areal Flood Warning	SGF	Barry, McDonald, Newton	6 hr
Apr 23, 1:57 PM CDT	Areal Flood Warning	SGF	Dallas, Dent, Douglas, Howell, Laclede, Oregon and 7 more	4 hr
Apr 23, 2:44 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Webster, Wright	46 min
Apr 23, 3:02 PM CDT	Special Weather Statement	SGF	McDonald	28 min
Apr 23, 3:22 PM CDT	Severe Thunderstorm Warning	SGF	Texas, Wright	38 min
Apr 23, 3:24 PM CDT	Severe Thunderstorm Warning	SGF	Ozark, Taney	51 min
Apr 23, 3:29 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Greene, Lawrence	46 min
Apr 23, 3:58 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	47 min
Apr 23, 4:04 PM CDT	Special Weather Statement	SGF	Barry, Stone	26 min
Apr 23, 4:06 PM CDT	Special Weather Statement	SGF	Polk	24 min
Apr 23, 4:09 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	66 min
Apr 23, 4:12 PM CDT	Severe Thunderstorm Warning	SGF	Greene, Webster	33 min
Apr 23, 4:15 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Christian, Lawrence, Stone	45 min
Apr 23, 4:16 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Christian, Stone, Taney	21 min
Apr 23, 4:16 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Howell, Ozark	44 min
Apr 23, 4:19 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Texas, Wright	30 min
Apr 23, 4:20 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Laclede, Polk	21 min
Apr 23, 4:34 PM CDT	Flash Flood Warning	SGF	Dent, Douglas, Howell, Laclede, Phelps, Pulaski and 4 more	6 hr
Apr 23, 4:41 PM CDT	Areal Flood Advisory	SGF	Greene	3 hr
Apr 23, 4:43 PM CDT	Severe Thunderstorm Warning	SGF	Stone, Taney	47 min
Apr 23, 5:02 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Texas	28 min
Apr 23, 5:08 PM CDT	Special Weather Statement	SGF	Wright	37 min
Apr 23, 5:10 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	31 min
Apr 23, 5:27 PM CDT	Special Weather Statement	SGF	Taney	33 min
Apr 23, 5:30 PM CDT	Flash Flood Warning	SGF	Barry, Christian, Douglas, Ozark, Stone, Taney	7 hr
Apr 23, 5:31 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Shannon, Texas	59 min
Apr 23, 5:35 PM CDT	Severe Thunderstorm Warning	SGF	Ozark, Taney	55 min
Apr 23, 5:54 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Ozark, Taney	36 min
Apr 23, 5:55 PM CDT	Areal Flood Warning	SGF	Dallas, Dent, Douglas, Howell, Laclede, Oregon and 8 more	6 hr
Apr 23, 5:58 PM CDT	Areal Flood Warning	SGF	Barry, McDonald, Newton	6 hr
Apr 23, 6:08 PM CDT	Areal Flood Advisory	SGF	Webster	6 hr
Apr 23, 6:27 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Howell, Ozark	33 min
Apr 23, 6:56 PM CDT	Flash Flood Warning	SGF	Douglas, Howell, Oregon, Ozark, Shannon	6 hr

Nearby

Flash Flood Warnings in Missouri, 2011 Every flash flood warning in 2011

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.