Alert archive / Minnesota / Flash Flood Warnings in 1997

Flash Flood Warning 1, NWS Twin Cities, MN

June 28, 1997McLeod County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jun 28, 1997, 11:54 PM CDT for McLeod 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 counties it named.

The facts

Issued
Jun 28, 1997, 11:54 PM CDT (04:54 UTC)
Expired
Jun 29, 1997, 3:00 AM CDT
In force
3 hr
Issued by
NWS Twin Cities, MN
Area
Whole counties

County McLeod County, MN

The radar

The Minneapolis radar (KMPX), 56 km from the middle of the area, began a volume at 04:53 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, 4.9 hours before the alert went out and 53 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-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 1997-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 1997-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
947 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
318 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 290454
FFWMSP
MNC085-290800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1154 PM CDT SAT JUN 28 1997

* FLASH FLOOD WARNING FOR
  MCLEOD COUNTY - CENTRAL MINNESOTA

* UNTIL 300 AM CDT
 
* SOME LOCATIONS AFFECTED
    HUTCHINSON
    LESTER PRAIRIE
    BROWNTON
    GLENCOE

* CAUSE AND EFFECT
    DOPPLER RADAR INDICATED MORE THAN 5 INCHES OF RAINFALL OVER
    MC LEOD COUNTY SINCE 3 PM SATURDAY AFTERNOON.

* FORECAST CONDITIONS
    THUNDERSTORMS PRODUCING EXCESSIVE RAINFALL WILL CONTINUE TO MOVE
    SOUTHEAST OVER MC LEOD COUNTY THROUGH 2 AM.

LEAVE FLOOD PRONE OR LOW LYING AREAS IMMEDIATELY.

MCBEATH PETERS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 7:13 PM CDTSevere Thunderstorm WarningMPXMcLeod, Renville47 min
Jun 28, 8:22 PM CDTSevere Thunderstorm WarningMPXRenville, Sibley38 min
Jun 28, 9:17 PM CDTSevere Thunderstorm WarningMPXNicollet58 min
Jun 28, 9:39 PM CDTSevere Thunderstorm WarningMPXRenville51 min
Jun 28, 10:18 PM CDTSevere Thunderstorm WarningMPXLac qui Parle, Yellow Medicine57 min
Jun 28, 10:23 PM CDTSevere Thunderstorm WarningMPXMcLeod, Sibley52 min
Jun 29, 12:16 AM CDTSevere Thunderstorm WarningMPXMcLeod44 min
Jun 29, 1:14 AM CDTSevere Thunderstorm WarningMPXMeeker, Stearns61 min
Jun 29, 2:47 AM CDTFlash Flood WarningMPXMcLeod2 hr
Jun 29, 3:06 AM CDTSevere Thunderstorm WarningMPXMcLeod, Renville, Sibley54 min

Nearby

Flash Flood Warnings in Minnesota, 1997Every flash flood warning in 1997

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.