Alert archive / Iowa / Tornado Warnings in 1993
Tornado Warning 7, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Jun 8, 1993, 6:01 PM CDT for Washington County, Iowa. It was in force for 29 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1993, 6:01 PM CDT (23:01 UTC)
- Expired
- Jun 8, 1993, 6:30 PM CDT
- In force
- 29 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Washington County, IA
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 11.0 hours before the alert went out and 388 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.
- Mixed-layer CAPE
- 1592 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 556 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDSM 082302 TORDSM IAC183-082330- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 601 PM CDT TUE JUN 8 1993 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION(S)S... IN SOUTHEAST IOWA ...SOUTHEASTERN WASHINGTON COUNTY AT 557 PM CDT...A POSSIBLE TORNADO WAS INDICATED BY DES MOINES RADAR NEAR BRIGHTON OR 35 MILES NORTHEAST OF OTTUMWA. THE STORM PRODUCING THIS TORNADO CONTINUED TO INTENSIFY SINCE 530 PM. APPARENT MOVEMENT OF THE TORNADO WAS EAST AT 35 MILES AN HOUR. SOME CITIES IN THE PATH OF THIS TORNADO ARE CRAWFORDVILLE AND COPPOCK. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. 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 B2ODY. AVOID WINDOWS.
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
Local storm report, Jun 8, 5:00 PM CDT, 1 hour 1 minute before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WATERLOO IA
500 PM CDT TUE JUN 8 1993
1130 AM CDT...GOLFBALL SIZED HAIL 2 MILES NORTH OF RIDGEWAY.
WINNESHIEK COUNTY.
1145 AM CDT...PEA SIZED HAIL NEAR PROTIVIN.
HOWARD COUNTY.
1200-1205 PM CDT...WINDSHIELD BROKEN ON POLICE CAR IN DECORAH.
WINNESHIEK COUNTY.
1231 PM CDT...FUNNEL CLOUD REPORTED NORTH AND WEST OF WAUKON ON
HIGHWAY 76 HEADED TOWARDS NEW ALBIN.
ALLAMAKEE COUNTY.
1235-1244 PM CDT...GOLF BALL SIZED HAIL IN NEW ALBIN.
ALLAMAKEE COUNTY.
1249 PM CDT...FUNNEL CLOUD REPORTED SOUTH OF NEW ALBIN.
ALLAMAKEE COUNTY.
1251 PM CDT...FUNNEL CLOUD OVER MISSISSIPPI RIVER HEADING TOWARD
GENOA WISCONSIN. ALLAMAKEE COUNTY.
100 PM CDT...PEA SIZED HAIL IN BRITT. HANCOCK COUNTY.
100 PM CDT...3 TO 4 MILES SOUTH OF FOREST CITY SATELLITE DISHES BLOWN
INTO FIELD. HANCOCK COUNTY.
101 PM CDT...FUNNEL CLOUD OVER MISSISSIPPI RIVER. ALLAMAKEE COUNTY.
106 PM CDT...FUNNEL CLOUD 4 MILES NORTH OF CLEAR LAKE WEST OF I-35
REPORTED BY POLICE. CERRO GORDO COUNTY.
108 PM CDT...FUNNEL CLOUD WEST OF HIGHWAY 9 SOUTH OF JOICE REPORTED BY
CITY MAINTENANCE MAN. WORTH COUNTY.
108 PM CDT...TORNADO AT FOREST CITY AIRPORT. WINNEBAGO COUNTY.
110-115 PM CDT...FUNNEL CLOUDS OVER FOREST CITY REPORTED BY STATE
PATROL. WINNEBAGO COUNTY.
115-140 PM CDT...SOUTHEAST OF OSAGE NEAR ORCHARD TO AREAS NORTHEAST OF
OSAGE...BIG CHUNKS OF ICE AND SOFTBALL SIZED HAIL.
4 FARMSTEADS BADLY DAMAGED. MITCHELL COUNTY.
120 PM CDT...1 MILE SOUTH AND 2 MILES EAST OF OSAGE...TORNADO ON GROUND
REPORTED BY TELEPHONE LINEMAN. TORNADO ALSO REPORTED BY
PUBLIC 1 MILE SOUTH AND 5 MILES EAST OF OSAGE.
MITCHELL COUNTY.
123 PM CDT...LARGE HAIL AND STRONG WINDS AT INTERSECTION S-22 AND S-18.
WORTH COUNTY.
135 PM CDT...FUNNEL CLOUD NORTH OF HANNOVER CHURCH ON HIGHWAY 76.
MOVING TOWARDS NEW ALBIN. ALLAMAKEE COUNTY.
145 PM CDT...FUNNEL CLOUD 4 MILES EAST OF GORDONSVILLE MINNESOTA.
150 PM CDT...FUNNEL CLOUD REPORTED OVER ALEXANDER BY PUBLIC.
FRANKLIN COUNTY.
152 PM CDT...FUNNEL CLOUD REPORTED BY PUBLIC IN NORTHWOOD.
WORTH COUNTY.
200 PM CDT...FUNNEL CLOUD BETWEEN SHEFFIELD AND DOUGHERTY.
FRANKLIN COUNTY.
219 PM CDT...PEA TO 3/4 INCH HAIL REPORTED IN MASON CITY BY MASON CITY
POLICE. CERRO GORDO COUNTY.
...OTHER REPORTS...
1120 AM CDT...1/2 TO 3/4 INCH HAIL AT ROCKWELL 20 MILES SOUTH OF MASON
CITY REPORTED BY MASON CITY POLICE. CERRO GORDO COUNTY.
1246 PM CDT...LATE REPORT OF A FUNNEL CLOUD BY A TRUCKER THROUGH THE
NEW HAMPTON SHERIFFS OFFICE. LOCATION OF FUNNEL CLOUD
IN OSSIAN. WINNESHIEK COUNTY.
GOODSON/PABST/LINDENBERGLocal storm report, Jun 8, 5:01 PM CDT, 1 hour before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WATERLOO IA
500 PM CDT TUE JUN 8 1993
1130 AM CDT...GOLFBALL SIZED HAIL 2 MILES NORTH OF RIDGEWAY.
WINNESHIEK COUNTY.
1145 AM CDT...PEA SIZED HAIL NEAR PROTIVIN.
HOWARD COUNTY.
1200-1205 PM CDT...WINDSHIELD BROKEN ON POLICE CAR IN DECORAH.
WINNESHIEK COUNTY.
1231 PM CDT...FUNNEL CLOUD REPORTED NORTH AND WEST OF WAUKON ON
HIGHWAY 76 HEADED TOWARDS NEW ALBIN.
ALLAMAKEE COUNTY.
1235-1244 PM CDT...GOLF BALL SIZED HAIL IN NEW ALBIN.
ALLAMAKEE COUNTY.
1249 PM CDT...FUNNEL CLOUD REPORTED SOUTH OF NEW ALBIN.
ALLAMAKEE COUNTY.
1251 PM CDT...FUNNEL CLOUD OVER MISSISSIPPI RIVER HEADING TOWARD
GENOA WISCONSIN. ALLAMAKEE COUNTY.
100 PM CDT...PEA SIZED HAIL IN BRITT. HANCOCK COUNTY.
100 PM CDT...3 TO 4 MILES SOUTH OF FOREST CITY SATELLITE DISHES BLOWN
INTO FIELD. HANCOCK COUNTY.
101 PM CDT...FUNNEL CLOUD OVER MISSISSIPPI RIVER. ALLAMAKEE COUNTY.
106 PM CDT...FUNNEL CLOUD 4 MILES NORTH OF CLEAR LAKE WEST OF I-35
REPORTED BY POLICE. CERRO GORDO COUNTY.
108 PM CDT...FUNNEL CLOUD WEST OF HIGHWAY 9 SOUTH OF JOICE REPORTED BY
CITY MAINTENANCE MAN. WORTH COUNTY.
108 PM CDT...TORNADO AT FOREST CITY AIRPORT. WINNEBAGO COUNTY.
110-115 PM CDT...FUNNEL CLOUDS OVER FOREST CITY REPORTED BY STATE
PATROL. WINNEBAGO COUNTY.
115-140 PM CDT...SOUTHEAST OF OSAGE NEAR ORCHARD TO AREAS NORTHEAST OF
OSAGE...BIG CHUNKS OF ICE AND SOFTBALL SIZED HAIL.
4 FARMSTEADS BADLY DAMAGED. MITCHELL COUNTY.
120 PM CDT...1 MILE SOUTH AND 2 MILES EAST OF OSAGE...TORNADO ON GROUND
REPORTED BY TELEPHONE LINEMAN. TORNADO ALSO REPORTED BY
PUBLIC 1 MILE SOUTH AND 5 MILES EAST OF OSAGE.
MITCHELL COUNTY.
123 PM CDT...LARGE HAIL AND STRONG WINDS AT INTERSECTION S-22 AND S-18.
WORTH COUNTY.
135 PM CDT...FUNNEL CLOUD NORTH OF HANNOVER CHURCH ON HIGHWAY 76.
MOVING TOWARDS NEW ALBIN. ALLAMAKEE COUNTY.
145 PM CDT...FUNNEL CLOUD 4 MILES EAST OF GORDONSVILLE MINNESOTA.
150 PM CDT...FUNNEL CLOUD REPORTED OVER ALEXANDER BY PUBLIC.
FRANKLIN COUNTY.
152 PM CDT...FUNNEL CLOUD REPORTED BY PUBLIC IN NORTHWOOD.
WORTH COUNTY.
200 PM CDT...FUNNEL CLOUD BETWEEN SHEFFIELD AND DOUGHERTY.
FRANKLIN COUNTY.
219 PM CDT...PEA TO 3/4 INCH HAIL REPORTED IN MASON CITY BY MASON CITY
POLICE. CERRO GORDO COUNTY.
...OTHER REPORTS...
1120 AM CDT...1/2 TO 3/4 INCH HAIL AT ROCKWELL 20 MILES SOUTH OF MASON
CITY REPORTED BY MASON CITY POLICE. CERRO GORDO COUNTY.
1246 PM CDT...LATE REPORT OF A FUNNEL CLOUD BY A TRUCKER THROUGH THE
NEW HAMPTON SHERIFFS OFFICE. LOCATION OF FUNNEL CLOUD
IN OSSIAN. WINNESHIEK COUNTY.
GOODSON/PABST/LINDENBEHRGSpecial weather statement, Jun 8, 5:20 PM CDT, 41 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-0 039-040-082315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 520 PM CDT TUE JUN 8 1993 ...A TORNADO WATCH IS IN EFFECT UNTIL 9PM FOR PORTIONS OF NORTHEAST AND NORTH CENTRAL IOWA... AT 515 PM...WEATHER SERVICE RADAR IN WATERLOO WAS INDICATING AN ISOLATED THUNDERSTORM MOVING FROM NEAR WADENA COUNTY INTO CALYTON COUNTY. NO ADDITIONAL SHOWER OR THUNDERSTORM ACTIVITY HAS BEEN DETECTED BY NATIONAL WEATHER SERVICE RADAR IN WATERLOO AT THIS TIME. A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF NORTHEAST AND NORTH CENTRAL IOWA...ALONG AND TO THE EAST OF HIGHWAY 63 THROUGH 9 PM. THE PUBLIC SHOULD STAY TUNED TO YOUR IO OR NOAA WEATHER RADIO BROADCASTS FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jun 8, 5:24 PM CDT, 37 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-082315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 520 PM CDT TUE JUN 8 1993 ...A TORNADO WATCH IS IN EFFECT UNTIL 9PM FOR PORTIONS OF NORTHEAST AND NORTH CENTRAL IOWA... AT 515 PM...WEATHER SERVICE RADAR IN WATERLOO WAS INDICATING AN ISOLATED THUNDERSTORM MOVING FROM NEAR WADENA IN FAYETTE COUNTY INTO CALYTON COUNTY. NO ADDITIONAL SHOWER OR THUNDERSTORM ACTIVITY HAS BEEN DETECTED BY NATIONAL WEATHER SERVICE RADAR IN WATERLOO AT THIS TIME. A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF NORTHEAST AND NORTH CENTRAL IOWA...ALONG AND TO THE EAST OF HIGHWAY 63 THROUGH 9 PM. THE PUBLIC SHOULD STAY |TUNED TO YOUR LOCAL TV...RADIO OR NOAA WEATHER RADIO BROADCASTS FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jun 8, 5:40 PM CDT, 21 minutes before
IAZALL-082335- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 540 PM CDT TUE JUN 8 1993 ...A TORNADO WATCH IS IN EFFECT FOR THE EASTERN THIRD OF IOWA UNTIL 9 PM THIS TUESDAY EVENING... ...A TORNADO WATCH IS IN EFFECT FOR EXTREME EAST CENTRAL AND EXTREME NORTHEAST IOWA UNTIL 11 PM... AT 525 PM CDT...A 45 MILE WIDE AREA OF NUMEROUS VERY STRONG THUNDERSTORMS WERE LOCATED ACROSS SOUTH CENTRAL AND SOUTHEAST IOWA. THIS AREA WAS CENTERED FROM 60 MILES SOUTH OF DES MOINES...NEAR LANONI ...TO 40 MILES EAST OF OTTUMWA...NEAR MOUNT PLEASANT. THESE STORMS WILL PRODUCE BRIEF VERY HEAVY RAIN...DEADLY LIGHTNING...AND COULD ALSO PRODUCE HAIL AND BRIEF STRONG GUSTY WIND. THE STORMS WERE MOVING NORTHEAST AT 40 TO 45 MILES AN HOUR. . SHOULD THREATENING WEATHER APPROACH...BE PREPARED TO SEEK SHELTER IMMEDIATELY. WPM
Special weather statement, Jun 8, 5:41 PM CDT, 20 minutes before
IAZALL-082335- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 540 PM CDT TUE JUN 8 1993 ...A TORNADO WATCH IS IN EFFECT FOR THE EASTERN THIRD OF IOWA UNTIL 9 PM THIS TUESDAY EVENING... ...A TORNADO WATCH IS IN EFFECT FOR EXTREME EAST CENTRAL AND EXTREME NORTHEAST IOWA UNTIL 11 PM... AT 525 PM CDT...A 45 MILE WIDE AREA OF NUMEROUS VERY STRONG THUNDERSTORMS WERE LOCATED ACROSS SOUTH CENTRAL AND SOUTHEAST IOWA. THIS AREA WAS CENTERED FROM 60 MILES SOUTH OF DES MOINES...NEAR LANONI ...TO 40 MILES EAST OF OTTUMWA...NEAR MOUNT PLEASANT. THESE STORMS WILL PRODUCE BRIEF VERY HEAVY RAIN...DEADLY LIGHTNING...AND COULD ALSO PRODUCE HAIL AND BRIEF STRONG GUSTY WIND. THE STORMS WERE MOVING NORTHEAST AT 40 TO 45 MILES AN HOUR. . SHOULD THREATENING WEATHER APPROACH...BE PREPARED TO SEEK SHELTER IMMEDIATELY. WPM
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 7:03 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 27 min |
| Jun 7, 7:14 PM CDT | Tornado Warning | DMX | Dickinson | 26 min |
| Jun 7, 7:47 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 43 min |
| Jun 7, 8:09 PM CDT | Flash Flood Warning | DMX | Appanoose, Monroe, Wayne | 3 hr |
| Jun 7, 8:09 PM CDT | Flash Flood Warning | DMX | Wapello | 3 hr |
| Jun 7, 8:37 PM CDT | Flash Flood Warning | DMX | Keokuk | 2 hr |
| Jun 7, 8:45 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 25 min |
| Jun 7, 9:02 PM CDT | Flash Flood Warning | DMX | Davis | 118 min |
| Jun 7, 9:18 PM CDT | Severe Thunderstorm Warning | DMX | Johnson, Washington | 42 min |
| Jun 7, 10:53 PM CDT | Flash Flood Warning | DMX | Appanoose, Davis | 97 min |
| Jun 8, 11:31 AM CDT | Severe Thunderstorm Warning | DMX | Winneshiek | 29 min |
| Jun 8, 11:52 AM CDT | Tornado Warning | DMX | Winneshiek | 38 min |
| Jun 8, 12:16 PM CDT | Severe Thunderstorm Warning | DMX | Allamakee | 44 min |
| Jun 8, 1:11 PM CDT | Tornado Warning | DMX | Worth | 49 min |
| Jun 8, 1:16 PM CDT | Severe Thunderstorm Warning | DMX | Mitchell | 42 min |
| Jun 8, 1:45 PM CDT | Severe Thunderstorm Warning | DMX | Howard, Winneshiek | 26 min |
| Jun 8, 1:48 PM CDT | Tornado Warning | DMX | Wright | 27 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.