Alert archive / Minnesota / Flash Flood Warnings in 1993

Flash Flood Warning 5, NWS Twin Cities, MN

June 16, 1993Sibley County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jun 16, 1993, 11:46 PM CDT for Sibley County, Minnesota. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jun 16, 1993, 11:46 PM CDT (04:46 UTC)
Expired
Jun 17, 1993, 2:00 AM CDT
In force
2 hr
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Sibley County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 4.8 hours before the alert went out and 58 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 1993-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 186 joules per kilogram.LCLLFCEL10008507005003002001001 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 1993-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.19395878Sfc1 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
186 J/kg
Mixed-layer CIN
-212 J/kg
Mixed-layer LCL
608 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
107 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 170448
FFWMSP
MNC085-143-127-170700-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1146 PM CDT WED JUN 16 1993
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
FLASH FLOOD WARNING         EFFECTIVE UNTIL  200 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MINNESOTA
 
   ...MCLEOD COUNTY...SIBLEY COUNTY
 
IN SOUTHWEST MINNESOTA
 
   ...REDWOOD COUNTY
 
AT 1145 PM A LINE OF THUNDERSTORMS WITH TORRENTIAL RAINS CONTINUES
TO DEVELOP OVER REDWOOD..MCLEOD AND SIBLEY COUNTIES. THESE AREAS HAD
RECEIVED 1 TO 3 INCHES OF RAIN EARLIER THIS EVENING. THE LINE OF
THUNDERSTORMS EXTENDS BACK TO THE SOUTH DAKOTA BORDER.
 
THIS WARNING INCLUDES THE CITIES OF GLENCOE..GAYLORD..REDWOOD FALLS.
IT IS LIKELY THAT ANOTHER 1 TO 3 INCHES OF RAIN WILL FALL IN THE
NEXT 2 HOURS.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARD TO SEE THE
DANGERS OF FLOODING.  MANY DEATHS OCCUR AT NIGHT WHEN PEOPLE TRY
TO CROSS FLOWING STREAMS.  THE WATER MAY BE MUCH DEEPER THAN YOU
REALIZE...OR THE WATER MAY HAVE UNDERMINED THE ROAD.
JPR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 7:14 PM CDTSevere Thunderstorm WarningMPXRedwood61 min
Jun 16, 7:18 PM CDTSevere Thunderstorm WarningMPXYellow Medicine42 min
Jun 16, 7:50 PM CDTSevere Thunderstorm WarningMPXChippewa40 min
Jun 16, 8:04 PM CDTSevere Thunderstorm WarningMPXRenville41 min
Jun 16, 8:14 PM CDTSevere Thunderstorm WarningMPXMeeker46 min
Jun 16, 8:14 PM CDTSevere Thunderstorm WarningMPXKandiyohi21 min
Jun 16, 8:51 PM CDTSevere Thunderstorm WarningMPXBenton, Stearns39 min
Jun 16, 8:51 PM CDTSevere Thunderstorm WarningMPXSherburne54 min
Jun 16, 9:06 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville39 min
Jun 16, 9:47 PM CDTFlash Flood WarningMPXMcLeod43 min
Jun 16, 9:47 PM CDTFlash Flood WarningMPXSibley118 min
Jun 16, 11:03 PM CDTFlash Flood WarningMPXRenville117 min
Jun 16, 11:46 PM CDTFlash Flood WarningMPXRedwood2 hr
Jun 16, 11:46 PM CDTFlash Flood WarningMPXMcLeod104 min
Jun 17, 1:37 AM CDTFlash Flood WarningMPXRedwood, Renville113 min
Jun 17, 1:37 AM CDTFlash Flood WarningMPXSibley113 min
Jun 17, 3:35 AM CDTFlash Flood WarningMPXGoodhue, Wabasha2 hr
Jun 17, 3:35 AM CDTFlash Flood WarningMPXRice2 hr
Jun 17, 4:24 AM CDTFlash Flood WarningMPXBlue Earth, Brown, Le Sueur, Nicollet3 hr
Jun 17, 4:24 AM CDTFlash Flood WarningMPXDodge, Rice, Steele, Waseca3 hr
Jun 17, 4:24 AM CDTFlash Flood WarningMPXGoodhue, Olmsted, Wabasha3 hr
Jun 17, 4:24 AM CDTFlash Flood WarningMPXWinona3 hr
Jun 17, 3:39 PM CDTSevere Thunderstorm WarningMPXHouston36 min

Nearby

Flash Flood Warnings in Minnesota, 1993Every flash flood warning in 1993

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.