Alert archive / Iowa / Tornado Warnings in 1993

Tornado Warning 6, NWS Des Moines, IA

June 8, 1993Wright County, Iowa

NWS Des Moines, IA issued this tornado warning at Jun 8, 1993, 1:48 PM CDT for Wright County, Iowa. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Jun 8, 1993, 1:48 PM CDT (18:48 UTC)
Expired
Jun 8, 1993, 2:15 PM CDT
In force
27 min
Issued by
NWS Des Moines, IA
Area
Whole counties

County Wright County, IA

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 6.8 hours before the alert went out and 236 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 12:00Z on 1993-06-08Temperature 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 12:00Z on 1993-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 500 square meters per square second.1939587897Sfc1 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
NaN m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
500 m²/s²
0-3 km storm-relative helicity
604 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 
TTAA00 KDSM 081850
TORDSM
IAC197-081915-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
148 PM CDT TUE JUN 8 1993
 
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  215 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION(S)...
 
IN NORTH CENTRAL IOWA
 
   ...EASTERN WRIGHT COUNTY
 
AT 150 PM CDT NATIONAL WEATHER SERVICE RADAR INDICATED A TORNADIC
THUNDERSTORM NEAR GALT WHICH IS 30 MILES NORTHEAST OF FORT DODGE
MOVING TO THE NORTHEAST AT 30 MILES AN HOUR.
 
THE TOWN OF ROWAN IS IN THE PATH OF THIS SEVERE THUNDERSTORM.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNdITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
ANDERSON/BELLES

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 8, 12:45 PM CDT, 1 hour 3 minutes before
IAZALL-082100-

SPECIAL WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
1245 PM CDT TUE JUN 8 1993

...A HIGH RISK FOR SEVERE WEATHER THIS AFTERNOON IN IOWA...

EARLY THIS AFTERNOON RADAR INDICATED STRONG THUNDERSTORMS IN NORTHERN
IOWA.  EARLIER TODAY SEVERAL FUNNEL CLOUDS WERE REPORTED WITH
THUNDERSTORMS AS THEY MOVED THROUGH NORTH CENTRAL IOWA.

DURING THE NEXT HOUR OR TWO THE BEST POTENTIAL FOR TORNADIC THUDERSTORMS
IS IN NORTH CENTRAL TO NORTHEAST IOWA...FROM FORT DODGE TO MASON CITY TO
WATERLOO.  THIS AREA REMAINS UNDER A TORNADO WATCH UNTIL 5 PM CDT.

ELSEWHERE IN IOWA THUNDERSTORMS ARE EXPECTED TO DEVELOP DURING THE
AFTERNOON...MAINLY AFTER 2 PM CDT.  A TORDADO WATCH UNTIL 5 PM COVERS
MOST OF THE EASTERN TWO-THIRDS OF IOWA.

PLEASE STAY TUNED TO THE LATEST WEATHER UPDATES AND BE PREPARED TO ACT
QUICKLY IN CASE A WARNING IS ISSUED.

 BELLES
Local storm report, Jun 8, 1:30 PM CDT, 18 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
130 PM CDT TUE JUN 8 1993

TIME               EVENT                   LOCATION -CITY AND COUNTY

...ALL EVENTS OCCURRED ON JUN 8 1993...

100 PM CDT        TORNADO                   NEAR FORECAST CITY IA

...SOME DAMAGE HAS BEEN REPORTED...
                WINDS

710 PM CDT      20K DAMAGE TO HOME AND     EAST OF CORYDON-WAYNE
                SHEDS                                      COUNTY

718 PM CDT      LARGE HAIL                 PLANO-APPANOOSE COUNTY

745 PM CDT      PEA SIZED HAIL             LYNN COUNTY

942 PM CDT      CITIZEN REPORTED TORNADO   NEAR LONE TREE-JOHNSON
                                                          COUNTY

945 PM CDT      MARBLE TO DIME SIZED HAIL  WASHINGTON-WASHINGTON COUNTY

955 PM CDT      POWER LINES AND TREES      BLOOMFIELD-DAVIS COUNTY
                DOWN-NO WIND ESTIMATE

EXCESSIVE RAINS OVER WAYNE AND APPANOOSE COUNTIES TEMPORARILY CLOSED
PORTIONS OF HIGHWAY 2. MONROE COUNTY REPORTED RAOD CLOSURES DUE TO
EXCESSIVE RAINS. PROMISE CITY IN WAYNE COUNTY REPORTED 3.5 INCHES OF
RAIN IN 1 HOUR.

BARLOW/NWS DES MOINES
Local storm report, Jun 8, 1:31 PM CDT, 17 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
130 PM CDT TUE JUN 8 1993

TIME               EVENT                   LOCATION -CITY AND COUNTY

...ALL EVENTS OCCURRED ON JUN 8 1993...

100 PM CDT        TORNADO                   NEAR FORECAST CITY IA

...SOME DAMAGE HAS BEEN REPORTED...
                WINDS

710 PM CDT      20K DAMAGE TO HOME AND     EAST OF CORYDON-WAYNE
                SHEDS                                      COUNTY

718 PM CDT      LARGE HAIL                 PLANO-APPANOOSE COUNTY

745 PM CDT      PEA SIZED HAIL             LYNN COUNTY

942 PM CDT      CITIZEN REPORTED TORNADO   NEAR LONE TREE-JOHNSON
                                                          COUNTY

945 PM CDT      MARBLE TO DIME SIZED HAIL  WASHINGTON-WASHINGTON COUNTY

955 PM CDT      POWER LINES AND TREES      BLOOMFIELD-DAVIS COUNTY
                DOWN-NO WIND ESTIMATE

EXCESSIVE RAINS OVER WAYNE AND APPANOOSE COUN&TIES TEMPORARILY CLOSED
PORTIONS OF HIGHWAY 2. MONROE COUNTY REPORTED RAOD CLOSURES DUE TO
EXCESSIVE RAINS. PROMISE CITY IN WAYNE COUNTY REPORTED 3.5 INCHES OF
RAIN IN 1 HOUR.

BARLOW/NWS DES MOINES
Local storm report, Jun 8, 1:33 PM CDT, 15 minutes before
LOCAL STORM REPORT....CORRECTION...
NATIONAL WEATHER SERVICE DES MOINES IA
130 PM CDT TUE JUN 8 1993

TIME               EVENT                   LOCATION -CITY AND COUNTY

...ALL EVENTS OCCURRED ON4 JUN 8 1993...

100 PM CDT        TORNADO                  NEAR FORECAST CITY IA
                                           HANCOCK/WINNEBAGO COUNTY LINE

...SOME DAMAGE HAS BEEN REPORTED...
Special weather statement, Jun 8, 1:40 PM CDT, 8 minutes before
IAZALL-081935-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
140 PM CDT TUE JUN 8 1993

...A TORNADO WATCH IS IN EFFECT FOR CENTRAL AND EASTERN IOWA HOWARD COUNTY LINE NEAR RICEVEILLE. THESE STORMS
WILL PRODUCE VERY HEAVY RAIN...HAIL...DEADLY LIGHTNING AND POSSIBLY
DAMAGING THUNDERSTORM WINDS.

OTHER STRONG STORMS WERE SCATTERED OVER FAR NORTHEAST IOWA BETWEEN
WATERLOO AND THE MINNESOTA BORDER AROUND NEW HAMPTON ANDILES AN HOUR.

BARLOW
Special weather statement, Jun 8, 1:47 PM CDT, 1 minute before
IAZALL-081935-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
140 PM CDT TUE JUN 8 1993

...A TORNADO WATCH IS IN EFFECT FOR CENTRAL AND EASTERN IOWA UNTIL 5 PM...
...A FLASH FLOOD WATCH IS IN EFFECT FOR NORTH CENTRAL AND EASTERN IOWA
   THIS AFTERNOON...

AT 130 PM CDT...POWERFUL THUNDERSTORMS CONTINUED OVER EXTREME NORTH
CENTRAL AND NORTHEAST IOWA. THESE STORMS WERE LOCATED 20 MILES NORTH
OF MASON CITY NEAR NORTHWOOD AND 30 MILES NORTHEAST OF MASON CITY
ALONG THE MITCHELL/HOWARD COUNTY LINE NEAR RICEVEILLE. THESE STORMS
WILL PRODUCE VERY HEAVY RAIN...HAIL...DEADLY LIGHTNING AND POSSIBLY
DAMAGING THUNDERSTORM WINDS.

OTHER STRONG STORMS WERE SCATTERED OVER FAR NORTHEAST IOWA BETWEEN
WATERLOO AND THE MINNESOTA BORDER AROUND NEW HAMPTON AND AND CALMER
AND NEAR WAUKON. A NARROW BAND OF SHOWERS AND THUNDERSTORMS WAS RAPIDLY
FROM NORTH CENTRAL THROUGH CENTRAL INTO SOUTHWEST IOWA. THIS BAND WAS
WAS 15V MILES WIDE AND EXTENDED FROM 10 MILES SOUTHWEST OF MASON CITY
SOUTH TO THE IOWA/MISSOURI BORDER70 MILES SOUTHWEST OF DES MOINES
OR ABOUT 5 MILES EAST OF BEDFORD.

THE SHOWERS AND STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR.

BARLOW

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 7:03 PM CDTSevere Thunderstorm WarningDMXAppanoose27 min
Jun 7, 7:14 PM CDTTornado WarningDMXDickinson26 min
Jun 7, 7:47 PM CDTSevere Thunderstorm WarningDMXWapello43 min
Jun 7, 8:09 PM CDTFlash Flood WarningDMXAppanoose, Monroe, Wayne3 hr
Jun 7, 8:09 PM CDTFlash Flood WarningDMXWapello3 hr
Jun 7, 8:37 PM CDTFlash Flood WarningDMXKeokuk2 hr
Jun 7, 8:45 PM CDTSevere Thunderstorm WarningDMXAppanoose, Davis25 min
Jun 7, 9:02 PM CDTFlash Flood WarningDMXDavis118 min
Jun 7, 9:18 PM CDTSevere Thunderstorm WarningDMXJohnson, Washington42 min
Jun 7, 10:53 PM CDTFlash Flood WarningDMXAppanoose, Davis97 min
Jun 8, 11:31 AM CDTSevere Thunderstorm WarningDMXWinneshiek29 min
Jun 8, 11:52 AM CDTTornado WarningDMXWinneshiek38 min
Jun 8, 12:16 PM CDTSevere Thunderstorm WarningDMXAllamakee44 min
Jun 8, 1:11 PM CDTTornado WarningDMXWorth49 min
Jun 8, 1:16 PM CDTSevere Thunderstorm WarningDMXMitchell42 min
Jun 8, 1:45 PM CDTSevere Thunderstorm WarningDMXHoward, Winneshiek26 min
Jun 8, 6:01 PM CDTTornado WarningDMXWashington29 min

Nearby

Tornado Warnings in Iowa, 1993Every tornado warning in 1993Tornadoes 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.