Alert archive / Minnesota / Flash Flood Warnings in 2005

Flash Flood Warning 19, NWS Twin Cities, MN

August 26, 2005Swift County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Aug 26, 2005, 3:17 AM CDT for Swift County, Minnesota. 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: Aug 26, 2005, 3:17 AM CDT (08:17 UTC)
Expired: Aug 26, 2005, 6:00 AM CDT
In force: 3 hr
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County Swift County, MN

The radar

The Minneapolis radar (KMPX), 170 km from the middle of the area, began a volume at 08:19 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

Minneapolis, MN (KMPX), launched 00:00Z, 8.3 hours before the alert went out and 167 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: 1374 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 766 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KMPX 260819
FFWMPX
MNC151-261100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
317 AM CDT FRI AUG 26 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SWIFT COUNTY IN WEST CENTRAL MINNESOTA

* UNTIL 600 AM CDT

* AT 317 AM CDT...RADAR DETECTED THUNDERSTORMS PRODUCING VERY HEAVY
  RAIN ACROSS MUCH OF THE WARNED AREA. THE STORMS PRODUCING THE      
  HEAVIEST RAIN WERE NEAR BENSON...DE GRAFF AND KERKHOVEN. THESE     
  STORMS WERE NEARLY STATIONARY. THIS WARNING EXTENDS THE PREVIOUS   
  FLASH FLOOD WARNING ISSUED FOR SWIFT COUNTY.

  EXPECT ADDITIONAL THUNDERSTORMS TO REDEVELOP AND PASS OVER THE     
  WARNED AREA...RESULTING IN ANOTHER 1 TO 2 INCHES OF RAIN.

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...CLONTARF...DANVERS...
  DE GRAFF...BENSON...KERKHOVEN...MURDOCK AND BIG BEND CITY.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE TO
HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO
FLOODING WHEN WATER BEGINS RISING.

LAT...LON 4517 9596 4515 9526 4540 9526 4539 9580

$$

DWE

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 25, 7:56 PM CDT	Severe Thunderstorm Warning	MPX	Douglas	49 min
Aug 25, 8:23 PM CDT	Severe Thunderstorm Warning	MPX	Todd	52 min
Aug 25, 8:42 PM CDT	Severe Thunderstorm Warning	MPX	Douglas	63 min
Aug 25, 10:12 PM CDT	Flash Flood Warning	MPX	Douglas	2 hr
Aug 25, 10:22 PM CDT	Severe Thunderstorm Warning	MPX	Pope	38 min
Aug 25, 10:41 PM CDT	Flash Flood Warning	MPX	Pope	3 hr
Aug 25, 10:43 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	52 min
Aug 26, 12:25 AM CDT	Flash Flood Warning	MPX	Swift	3 hr
Aug 26, 12:44 AM CDT	Severe Thunderstorm Warning	MPX	Stearns	61 min
Aug 26, 1:30 AM CDT	Severe Thunderstorm Warning	MPX	Meeker	60 min
Aug 26, 1:44 AM CDT	Severe Thunderstorm Warning	MPX	Stearns, Wright	61 min
Aug 26, 1:53 AM CDT	Flash Flood Warning	MPX	Kandiyohi	3 hr
Aug 26, 3:00 AM CDT	Flash Flood Warning	MPX	Stearns	3 hr
Aug 26, 3:09 AM CDT	Flash Flood Warning	MPX	Chippewa	3 hr
Aug 26, 4:50 AM CDT	Flash Flood Warning	MPX	Kandiyohi	3 hr

Nearby

Flash Flood Warnings in Minnesota, 2005 Every flash flood warning in 2005

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.