Alert archive / Iowa / Tornado Warnings in 1993

Tornado Warning 3, NWS Quad Cities, IA

June 19, 1993Dubuque County, Iowa; Jo Daviess County, Illinois; Grant County, Wisconsin

NWS Quad Cities, IA issued this tornado warning at Jun 19, 1993, 4:50 PM CDT for Dubuque County, Iowa; Jo Daviess County, Illinois; Grant County, Wisconsin. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Jun 19, 1993, 4:50 PM CDT (21:50 UTC)
Expired
Jun 19, 1993, 5:15 PM CDT
In force
25 min
Issued by
NWS Quad Cities, IA
Area
Whole counties

Counties Dubuque County, IA, Jo Daviess County, IL, Grant County, WI

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 9.8 hours before the alert went out and 350 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 1993-06-19Temperature 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 1993-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
522 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
163 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 KDBQ 192150 RRA
TORDBQ
IAC061-ILC085-WIC043-192215-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DUBUQUE IA
450 PM CDT SAT JUN 19 1993
 
THE NATIONAL WEATHER SERVICE IN DUBUQUE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  515 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST IOWA
 
   ...DUBUQUE COUNTY
 
 
IN NORTHWEST ILLINOIS
 
   ...JO-DAVIES COUNTY
 
 
IN SOUTHWEST WISCONSIN
 
   ...GRANT COUNTY
 
AT 0445 PM CDT...SPOTTER REPORTED A TORNADO NEAR ROCKDALE...5 MILES
SOUTH OF DUBUQUE. THE TORNADO WAS MOVING NORTHEAST AT 30 MILES AN HOUR
AND WILL AFFECT THE FOLLOWING CITIES BETWEEN 445 AND 515 PM CDT...EAST
DUBUQUE...DUBUQUE...FAIRPLAY...LOUISBURG...KIELER...SAGEVILLE... AND
DURANGO. IF YOU ARE IN THE PATH OF THIS STORM TAKE COVER IMMEDIATELY.
 
HOOPER
 
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 A@VAILABLE...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.
 
 
 
 
NNNN

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 19, 3:45 PM CDT, 1 hour 5 minutes before
ILZ004-IAZ078-088-089-099-192115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
345 PM CDT SAT JUN 19 1993

...STRONG THUNDERSTORM WITH TORRENTIAL RAIN ARE MOVING ACROSS THE
QUAD CITIES...

AT 345 PM CDT...AN INTENSE THUNDERSTORM WAS OVER THE QUAD CITY AREA.
THIS STORM PRODUCED NEARLY AN INCH OF RAIN WITHIN 15 MINUTES AT THE
QUAD CITY AIRPORT.

AN AREA OF INTENSE STORMS STRETCHED FROM WESTERN SCOTT COUNTY NEAR
BLUE GRASS...TO THE QUAD CITIES...SOUTH INTO WESTERN HENRY COUNTY
ILLINOIS NEAR ORION AND ALPHA.  THE STORMS WERE MOVING NORTHEAST
AT 35 MILES AN HOUR...AND WERE PRODUCING WIND GUSTS OVER 40 MILES AN
HOUR...ALONG WITH TORRENTIAL RAIN AND DEADLY LIGHTNING.

SOME CITIES IN THE PATH OF THIS STORM INCLUDE...LECLAIRE...HAMPTON...
BARSTOW...GENESEO...AND CAMBRIDGE.  THESE AREAS CAN EXPECT STRONG
STORMS AND VERY HEAVY RAIN BY 400 PM.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE BISTATE AREA...SO THE
POTENTIAL FOR SEVERE STORMS STILL EXISTS.  WATCH FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.

LAGUE

&
Special weather statement, Jun 19, 3:49 PM CDT, 1 hour 1 minute before
ILZ004-IAZ078-088-089-099-192115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
345 PM CDT SAT JUN 19 1993

...STRONG THUNDERSTORM WITH TORRENTIAL RAIN ARE MOVING ACROSS THE
QUAD CITIES...

AT 345 PM CDT...AN INTENSE THUNDERSTORM WAS OVER THE QUAD CITY AREA.
THIS STORM PRODUCED NEARLY AN INCH OF RAIN WITHIN 15 MINUTES AT THE
QUAD CITY AIRPORT.

AN AREA OF INTENSE STORMS STRETCHED FROM WESTERN SCOTT COUNTY NEAR
BLUE GRASS...TO THE QUAD CITIES...SOUTH INTO WESTERN HENRY COUNTY
ILLINOIS NEAR ORION AND ALPHA.  THE STORMS WERE MOVING NORTHEAST
AT 35 MILES AN HOUR...AND WERE PRODUCING WIND GUSTS OVER 40 MILES AN
HOUR...ALONG WITH TORRENTIAL RAIN AND DEADLY LIGHTNING.

SOME CITIES IN THE PATH OF THIS STORM INCLUDE...LECLAIRE...HAMPTON...
BARSTOW...GENESEO...AND CAMBRIDGE.  THESE AREAS CAN EXPECT STRONG
STORMS AND VERY HEAVY RAIN BY 400 PM.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE BISTATE AREA...SO THE
POTENTIAL FOR SEVERE STORMS STILL EXISTS.  WATCH FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.

LAGUE

&
Special weather statement, Jun 19, 4:15 PM CDT, 35 minutes before
ILZ004-IAZ078-088-089-099-192145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
415 PM CDT SAT JUN 19 1993

...A LINE OF STRONG THUNDERSTORMS IS MOVING ACROSS THE BISTATE AREA...

AT 415 PM CDT...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM FROM
CENTRAL CLINTON COUNTY NEAR DEWITT...TO UPPER ROCK ISLAND COUNTY NEAR
CORDOVA AND JOSLIN...INTO HENRY COUNTY ILLINOIS NEAR CAMBRIDGE AND
GALVA.  ANOTHER STRONG STORM WAS BEHIND THE LINE...BETWEEN BLUE
GRASS AND DAVENPORT IN SCOTT COUNTY.

SOME CITIES IN THE PATH OF THE LINE OF STORMS ARE...CLINTON...ERIE...
PROPHETSTOWN...ANAWAN...AND KEWANEE.  THE SECOND STORM BETWEEN BLUE
GRASS AND DAVENPORT WILL MOVE ACROSS THE NORTH PART OF THE QUAD
CITIES BY 430 PM.

THESE STORMS HAVE A HISTORY OF PRODUCING VERY HEAVY RAIN IN EXCESS
OF AN INCH IN 30 MINUTES...AS WELL AS WIND GUSTS OVER 40 MILES AN
HOUR.  RECENT HEAVY RAINS HAVE THE GROUND ALREADY SATURATED...AND
MANY STEAMS ARE BANK FULL.  WITH ADDITIONAL HEAVY RAINFALL
EXPECTED...BE ON THE LOOKOUT FOR FLOODED STREETS AND HIGH WATER
NEAR SMALL STREAMS.

LAGUE
Special weather statement, Jun 19, 4:15 PM CDT, 35 minutes before
ILZ004-IAZ078-088-089-099-192145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
415 PM CDT SAT JUN 19 1993

...A LINE OF STRONG THUNDERSTORMS IS MOVING ACROSS THE BISTATE AREA...

AT 415 PM CDT...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM FROM
CENTRAL CLINTON COUNTY NEAR DEWITT...TO UPPER ROCK ISLAND COUNTY NEAR
CORDOVA AND JOSLIN...INTO HENRY COUNTY ILLINOIS NEAR CAMBRIDGE AND
GALVA.  ANOTHER STRONG STORM WAS BEHIND THE LINE...BETWEEN BLUE
GRASS AND DAVENPORT IN SCOTT COUNTY.

SOME CITIES IN THE PATH OF THE LINE OF STORMS ARE...CLINTON...ERIE...
PROPHETSTOWN...ANAWAN...AND KEWANEE.  THE SECOND STORM BETWEEN BLUE
GRASS AND DAVENPORT WILL MOVE ACROSS THE NORTH PART OF THE QUAD
CITIES BY 430 PM.

THESE STORMS HAVE A HISTORY OF PRODUCING VERY HEAVY RAIN IN EXCESS
OF AN INCH IN 30 MINUTES...AS WELL AS WIND GUSTS OVER 40 MILES AN
HOUR.  RECENT HEAVY RAINS HAVE THE GROUND ALREADY SATURATED...AND
MANY STEAMS ARE BANK FULL.  WITH ADDITIONAL HEAVY RAINFALL
EXPECTED...BE ON THE LOOKOUT FOR FLOODED STREETS AND HIGH WATER
NEAR SMALL STREAMS.

LAGUE
Special weather statement, Jun 19, 4:30 PM CDT, 20 minutes before
ILZ004-IAZ078-088-089-099-192230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
430 PM CDT SAT JUN 19 1993

...A SECOND LINE OF STRONG THUNDERSTORMS IS MOVING ACROSS SOUTHEAST
   IOWA...

AT 430 PM CDT...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM NEW LONDON
/8 MILES NORTHWEST OF BURLINGTON/ TO JUST NORTH OF KEOKUK IN THE VERY
SOUTHEAST CORNER OF IOWA.  THESE STORMS WILL BE MOVING THROUGH THE
FORT MADISON AREA BY 445 PM AND THE BURLINGTON AREA BETWEEN 450 AND
5 PM.

ANOTHER ROUND OF HEAVY RAIN...STRONG GUSTY WINDS AND DEADLY LIGHTNING
CAN BE EXPECTED WITH THESE STORMS.

RECENT HEAVY RAINFALL HAS MANY STREAMS AND CREEKS AT OR NEAR
BANK FULL.  WITH ADDITIONAL HEAVY RAINFALL EXPECTED...BE ON THE
LOOKOUT FOR FLOODED STREETS AND HIGH WATER NEAR SMALL STREAMS.

DICKEY

.5N3  143.3E1
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   RADIUS
OF 035 K
T WINDS - 050 NM NORTH SEMICIRCLE
                            045 NM ELSEWHERE

   VECTOR
 TO 36 HR POSIT: 285 DEG/ 10 KTS
    ---
   36 HRS, VALID AT:
   210600Z9 ---
 9.1N0  14
1.4E0
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   RADIUS OF 035 KT WINDS
 - 050 NM N
ORTH SEMICIRCLE
                            045 NM ELSEWHERE
   VECTOR TO 48
 HR POSIT: 2
85 DEG/ 10 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   211800Z
2 ---  9.7N6
 139.5E8
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   RADIUS OF 035 KT
WINDS - 060 N
M NORTH SEMICIRCLE
                            050 NM ELSEWHERE
   VECTOR
TO 72 HR POSIT
: 285 DEG/ 10 KTS
    ---
   72 HRS, VALID AT:
   221800Z3 --- 10.9N0  13
5.5E4
   MAX SU
STAINED WINDS - 050 KT, GUSTS 065 KT
   RADIUS OF 035 KT WINDS - 065 NM
NORTH SEMICIRCLE

                            055 NM ELSEWHERE
    ---
REMARKS:
192100Z3
 POSITION  7.8N5
 147.1E3
TROPICAL STORM KORYN (06W) CONTINUES WESTWARD OVER THE CAROLIN
E
ISLANDS. NEXT W
ARNINGS AT 200300Z5 (DTG 200151Z9), 200900Z1 (DTG
200751Z5), 201500Z8
(DTG 201351Z2) AND
 202100Z5 (DTG 201951Z8).
REFER TO TROPICAL DEPRESSION 07W (WTPN32 PG
TW) FOR SIX-HOURLY

UPDATES.
BT
#7342
Special weather statement, Jun 19, 4:39 PM CDT, 11 minutes before
ILZ004-IAZ078-088-089-099-192230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
430 PM CDT SAT JUN 19 1993

...A SECOND LINE OF STRONG THUNDERSTORMS IS MOVING ACROSS SOUTHEAST
   IOWA...

AT 430 PM CDT...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM NEW LONDON
/8 MILES NORTHWEST OF BURLINGTON/ TO JUST NORTH OF KEOKUK IN THE VERY
SOUTHEAST CORNER OF IOWA.  THESE STORMS WILL BE MOVING THROUGH THE
FORT MADISON AREA BY 445 PM AND THE BURLINGTON AREA BETWEEN 450 AND
5 PM.

ANOTHER ROUND OF HEAVY RAIN...STRONG GUSTY WINDS AND DEADLY LIGHTNING
CAN BE EXPECTED WITH THESE STORMS.

RECENT HEAVY RAINFALL HAS MANY STREAMS AND CREEKS AT OR NEAR
BANK FULL.  WITH ADDITIONAL HEAVY RAINFALL EXPECTED...BE ON THE
LOOKOUT FOR FLOODED STREETS AND HIGH WATER NEAR SMALL STREAMS.

DICKEY

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 2:29 PM CDTSevere Thunderstorm WarningDVNDes Moines, Louisa46 min
Jun 19, 2:42 PM CDTSevere Thunderstorm WarningDVNMuscatine48 min
Jun 19, 3:09 PM CDTSevere Thunderstorm WarningDVNDelaware51 min
Jun 19, 5:21 PM CDTTornado WarningDVNGrant39 min
Jun 19, 5:30 PM CDTTornado WarningDVNLafayette30 min
Jun 19, 5:47 PM CDTTornado WarningDVNGrant14 min

Nearby

Tornado Warnings in Iowa, 1993Tornado Warnings in Illinois, 1993Tornado Warnings in Wisconsin, 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.