Alert archive / Missouri / Flash Flood Warnings in 2011

Flash Flood Warning 16, NWS Kansas City, MO

June 19, 2011Holt County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 19, 2011, 10:04 AM CDT for Holt County, Missouri. It was in force for 24 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: Jun 19, 2011, 10:04 AM CDT (15:04 UTC)
Expired: Jun 20, 2011, 10:00 AM CDT
In force: 24 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: None

County Holt County, MO

The radar

The Topeka radar (KTWX), 145 km from the middle of the area, began a volume at 15:04 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

Topeka, KS (KTOP), launched 12:00Z, 3.1 hours before the alert went out and 129 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: 1341 J/kg
Mixed-layer CIN: -411 J/kg
Mixed-layer LCL: 1193 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: -72 m²/s²
0-3 km storm-relative helicity: -36 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -1.3

Open this sounding in Storm Lab

The text

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

296 
WGUS53 KEAX 191504
FFWEAX
MOC087-201500-
/O.NEW.KEAX.FF.W.0016.110619T1504Z-110620T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1004 AM CDT SUN JUN 19 2011

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS EXTENDED A

* FLASH FLOOD WARNING FOR RAPID RIVER RISES IN...
  NORTHWESTERN HOLT COUNTY IN NORTHWEST MISSOURI...

* UNTIL 1000 AM CDT MONDAY

* AT 953 AM CDT...LAW ENFORCEMENT OFFICIALS AND EMERGENCY MANAGEMENT 
  REPORTED SEVERAL LEVEE BREACHES ALONG THE MISSOURI RIVER AND       
  TRIBUTARIES ACROSS NORTHWEST MISSOURI. THIS WILL CAUSE WATER       
  LEVELS ON THE FLOODED MISSOURI RIVER TO RISE RAPIDLY NEAR A FOOT   
  AND A HALF IN THE NEXT 12 HOURS IN FAR WESTERN HOLT COUNTY.

* FLASH FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS OF     
  NORTHWESTERN HOLT COUNTY...INCLUDING THE BIG LAKE AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOOD WATERS ARE MOVING DOWN MISSOURI RIVER FROM BROWNVILLE TO RULO. 
WATER LEVELS WILL BEGIN TO RISE QUICKER THIS AFTERNOON...WITH ONE TO 
ONE AND A HALF FOOT RISES...TO 26.7 FEET BY MONDAY MORNING.

&&

LAT...LON 4026 9554 4026 9545 4015 9538 4002 9532
      4002 9539 4004 9542 4006 9542 4007 9540
      4012 9540 4014 9544 4016 9544 4019 9549
      4022 9547 4024 9548 4024 9552

$$

21

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 7:55 PM CDT	Special Weather Statement	EAX	Cass	35 min
Jun 18, 7:59 PM CDT	Special Weather Statement	EAX	Pettis	31 min
Jun 18, 8:18 PM CDT	Severe Thunderstorm Warning	EAX	Henry, Pettis	27 min
Jun 18, 8:31 PM CDT	Special Weather Statement	EAX	Cass	29 min
Jun 18, 8:40 PM CDT	Severe Thunderstorm Warning	EAX	Cass	35 min
Jun 18, 8:44 PM CDT	Severe Thunderstorm Warning	EAX	Henry, Pettis	46 min
Jun 18, 9:05 PM CDT	Severe Thunderstorm Warning	EAX	Cass	25 min
Jun 18, 9:12 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass, Henry	48 min
Jun 18, 9:20 PM CDT	Severe Thunderstorm Warning	EAX	Pettis	25 min
Jun 18, 9:30 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Lafayette, Pettis, Saline	30 min
Jun 18, 9:34 PM CDT	Flash Flood Warning	EAX	Cass	5 hr
Jun 18, 9:37 PM CDT	Special Weather Statement	EAX	Cass	38 min
Jun 18, 9:40 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson	35 min
Jun 18, 9:58 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Johnson	32 min
Jun 18, 10:26 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass, Henry	34 min
Jun 18, 10:40 PM CDT	Severe Thunderstorm Warning	EAX	Jackson, Johnson, Lafayette	35 min
Jun 18, 11:08 PM CDT	Special Weather Statement	EAX	Lafayette	52 min
Jun 18, 11:21 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette, Ray	24 min
Jun 18, 11:25 PM CDT	Special Weather Statement	EAX	Cass	50 min
Jun 18, 11:27 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass, Henry	33 min
Jun 18, 11:42 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Lafayette, Ray	48 min
Jun 19, 12:11 AM CDT	River Flood Warning	EAX	Bates, Cass, Henry	31 hr
Jun 19, 12:13 AM CDT	Special Weather Statement	EAX	Macon	47 min
Jun 19, 12:30 AM CDT	Special Weather Statement	EAX	Cass	45 min
Jun 19, 12:38 AM CDT	Severe Thunderstorm Warning	EAX	Carroll	21 min
Jun 19, 12:43 AM CDT	Special Weather Statement	EAX	Platte	47 min
Jun 19, 12:58 AM CDT	Severe Thunderstorm Warning	EAX	Platte	32 min
Jun 19, 1:05 AM CDT	Flash Flood Warning	EAX	Holt	9 hr
Jun 19, 1:23 AM CDT	Special Weather Statement	EAX	Jackson	52 min
Jun 19, 2:15 AM CDT	Special Weather Statement	EAX	Randolph	15 min
Jun 19, 2:19 AM CDT	Special Weather Statement	EAX	Linn	11 min
Jun 19, 2:21 AM CDT	Areal Flood Advisory	EAX	Cass, Clay, Jackson, Platte	4 hr
Jun 19, 3:03 AM CDT	Flash Flood Warning	EAX	Bates, Cass, Henry	6 hr
Jun 19, 4:01 AM CDT	Special Weather Statement	EAX	Adair	29 min
Jun 19, 6:19 AM CDT	River Flood Warning	EAX	Cass, Henry, Johnson	23 hr
Jun 19, 7:10 AM CDT	Flash Flood Warning	EAX	Atchison	6 hr
Jun 19, 12:47 PM CDT	Flash Flood Warning	EAX	Atchison	24 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.