Alert archive / Iowa / Flash Flood Warnings in 1993
Flash Flood Warning 33, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jul 17, 1993, 7:22 PM CDT for Jackson County, Jones County, Iowa. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jul 17, 1993, 7:22 PM CDT (00:22 UTC)
- Expired
- Jul 17, 1993, 9:45 PM CDT
- In force
- 2 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
Counties Jackson County, IA, Jones County, IA
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.4 hours before the alert went out and 342 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
- 10 J/kg
- Mixed-layer CIN
- -162 J/kg
- Mixed-layer LCL
- 1117 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDBQ 180022 FFWDBQ IAC097-105-180430- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DUBUQUE IA 722 PM CDT SAT JUL 17 1993 THE NATIONAL WEATHER SERVICE IN DUBUQUE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1130 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL IOWA ...JACKSON COUNTY IN NORTHEAST IOWA ...JONES COUNTY ...AT 715 PM CDT...RADAR INDICATED A STRONG THUNDERSTORM WITH TORRENTIAL RAINS OVER MONTICELLO...35 MILES SOUTHWEST OF DUBUQUE. THIS STORM WILL CAUSE FLOODING OF NUMEROUS CITY STREETS AND SOME STATE ROADS. SPOTTER REPORTS INDICATE THIS STORM HAD DROPPED TWO INCHES OF RAIN OVER WESTERN JONES COUNTY. HEAVIER AMOUNTS ARE POSSIBLE WITH THIS STORM. IF YOU ARE IN THE PATH OF THIS STORM MOVE TO HIGHER GROUND IMMEDIATELY. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACNT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. HOOPER & NNNN & NNNN
What forecasters said that day
The local office's own words before this flash flood 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, Jul 17, 6:36 PM CDT, 46 minutes before
ILZ004-IAZ078-088-089-099-180030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 615 PM CDT SAT JUL 17 1993 ...THUNDERSTORM PRODUCING HEAVY RAIN OVER CEDAR COUNTY IOWA... ...FLASH FLOOD WATCH IN EFFECT FOR EAST CENTRAL AND SOUTHEAST IOWA TONIGHT... AT 615 PM RADAR INDICATED AN AREA OF THUNDERSTORMS OVER NORTHERN CEDAR ...STRETCHING FROM CLARENCE TO TIPTON. PEA SIZE HAIL AND HEAVY RAIN WAS REPORTED AT TIPTON AT 6 PM. THESE STORMS WERE MOVING SLOWLY TO EAST AT 15 MILES AN HOUR. STRONG GUSTY WINDS OF 40 TO 50 MILES AN HOUR ALONG WITH VERY HEAVY RAIN AND SMALL HAIL MAY ACCOMPANY THESE STORMS WAS THEY MOVE ACROSS CEDAR...INTO SOUTHWEST CLINTON COUNTY IOWA BETWEEN 615 AND 7 PM. THE STORMS WILL BE NEAR DEWITT BETWEEN 7 AND 715 PM. IF YOU ARE IN THE PATH OF THESE STORMS...TAKE SHELTER UNTIL THEY HAVE PASSED. IF TIME PERMITS...PLEASE RELAY ANY SEVERE WEATHER REPORT TO YOUR NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. AS THE GROUND REMAINS SATURATED WITH ALL STREAMS...CREEKS AND RIVERS RUNNING BEYOND BANKSFUL...PERSONS IN LOW LYING AREAS NOT ALREADY IN FLOOD SHOULD BE PREPARED TO MOVE TO HIGHER GROUND SHOULD RISING WATERS THREATEN. DICKEY
Special weather statement, Jul 17, 6:55 PM CDT, 27 minutes before
ILZ004-IAZ078-088-089-099-180030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 655 PM CDT SAT JUL 17 1993 ...SEVERE THUNDERSTORMS WATCH IN EFFECT UNTIL 11 PM... ...FLASH FLOOD WATCH IN EFFECT FOR EAST CENTRAL AND SOUTHEAST IOWA TONIGHT... AT 655 PM RADAR INDICATED AN INTENSE THUNDERSTORMS IN THE NORTHWEST CORNER OF CEDAR COUNTY...10 MILES NORTHWEST OF TIPTON...10 MILES EAST OF CEDAR RAPIDS. STRONG GUSTY WINDS TO 50 MILES AN HOUR...SMALL HAIL AND VERY HEAVY RAIN MAY ACCOMPANY THIS STORM AS IT MOVES SLOWLY TO THE EAST AT 15 MILES AN HOUR. THAT INTENSE THUNDERSTORM WAS PART OF SEVERAL THUNDERSTORM AREAS THAT COVERED NORTHWEST CEDAR COUNTY...FROM CLARENCE DOWN TO 5 MILES WEST OF TIPTON...WITH THE OTHER THUNDERSTORM AREA OVER EAST CENTRAL CEDAR INTO SOUTHWEST CLINTON COUNTY...FROM 5 MILES EAST OF TIPTON TO 10 MILES WEST OF DEWITT. IF YOU ARE IN THE PATH OF THESE STORMS...TAKE SHELTER UNTIL THEY HAVE PASSED. IF TIME PERMITS...PLEASE RELAY ANY SEVERE WEATHER REPORT TO YOUR NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. AS THE GROUND REMAINS SATURATED WITH ALL STREAMS...CREEKS AND RIVERS RUNNING BEYOND BANKSFUL...PERSONS IN LOW LYING AREAS NOT ALREADY IN FLOOD SHOULD BE PREPARED TO MOVE TO HIGHER GROUND SHOULD RISING WATERS THREATEN. DICKEY
Special weather statement, Jul 17, 7:00 PM CDT, 22 minutes before
IAZ030-041-042-053-054-ILZ001-WIZ018-190100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 700 PM CDT SAT JUL 17 1993 ...AN URBAN AND SMALL STREAM FLOOD ADVISORY IS IN EFFECT FOR THE ENTIRE TRI STATE UNTIL 1100 PM CDT... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR DELAWARE AND DUBUQUE COUNTIES UNTIL 1000 PM CDT AND JACKSON AND JONES COUNTIES UNTIL 1100 PM CDT... ...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT FOR THE ENTIRE TRI STATE WITH THE EXCEPTION OF CLAYTON COUNTY IN EAST CENTRAL IOWA AND JO DAVIESS COUNTY IN NORTHWEST ILLINOIS... AT 705 PM CDT...RAINSHOWERS AND THUNDERSTORMS SOME WITH VERY HEAVY RAIN WERE JUST WEST OF DYERSVILLE IN DUBUQUE COUNTY AND OVER MONTICELLO IN JONES COUNTY...25 MILES WEST AND 35 MILES SOUTHWEST OF DUBUQUE. THE STORMS WERE MOVING TO THE EAST AT 15 MILES AN HOUR AND WILL CAUSE SOME MINOR FLOODING OF LOW LYING AREAS AND UNDERPASSES IN THE MONTICELLO AND DYERSVILLE AREAS. IF YOU ARE IN THE PATH OF THESE STORMS BE PREPARED TO MOVE TO HIGHER GROUND SHOULD RISING WATERS THREATEN YOUR SAFETY. REPORT ANY FLOODING TO YOUR LOCAL LAW ENFORCMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. HOOPER
Special weather statement, Jul 17, 7:06 PM CDT, 16 minutes before
ILZ004-IAZ078-088-089-099-180030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 655 PM CDT SAT JUL 17 1993 ...SEVERE THUNDERSTORMS WATCH IN EFFECT UNTIL 11 PM... ...FLASH FLOOD WATCH IN EFFECT FOR EAST CENTRAL AND SOUTHEAST IOWA TONIGHT... AT 655 PM RADAR INDICATED AN INTENSE THUNDERSTORMS IN THE NORTHWEST CORNER OF CEDAR COUNTY...10 MILES NORTHWEST OF TIPTON...10 MILES EAST OF CEDAR RAPIDS. STRONG GUSTY WINDS TO 50 MILES AN HOUR...SMALL HAIL AND VERY HEAVY RAIN MAY ACCOMPANY THIS STORM AS IT MOVES SLOWLY TO THE EAST AT 15 MILES AN HOUR. THAT INTENSE THUNDERSTORM WAS PART OF SEVERAL THUNDERSTORM AREAS THAT COVERED NORTHWEST CEDAR COUNTY...FROM CLARENCE DOWN TO 5 MILES WEST OF TIPTON...WITH THE OTHER THUNDERSTORM AREA OVER EAST CENTRAL CEDAR INTO SOUTHWEST CLINTON COUNTY...FROM 5 MILES EAST OF TIPTON TO 10 MILES WEST OF DEWITT. IF YOU ARE IN THE PATH OF THESE STORMS...TAKE SHELTER UNTIL THEY HAVE PASSED. IF TIME PERMITS...PLEASE RELAY ANY SEVERE WEATHER REPORT TO YOUR NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. AS THE GROUND REMAINS SATURATED WITH ALL STREAMS...CREEKS AND RIVERS RUNNING BEYOND BANKSFUL...PERSONS INX LOW LYING AREAS NOT ALREADY IN FLOOD SHOULD BE PREPARED TO MOVE TO HIGHER GROUND SHOULD RISING WATERS THREATEN. DICKEY
Special weather statement, Jul 17, 7:11 PM CDT, 11 minutes before
IAZ030-041-042-053-054-ILZ001-WIZ018-190100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 700 PM CDT SAT JUL 17 1993 ...AN URBAN AND SMALL STREAM FLOOD ADVISORY IS IN EFFECT FOR THE ENTIRE TRI STATE UNTIL 1100 PM CDT... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR DELAWARE AND DUBUQUE COUNTIES UNTIL 1000 PM CDT AND JACKSON AND JONES COUNTIES UNTIL 1100 PM CDT... ...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT FOR THE ENTIRE TRI STATE WITH THE EXCEPTION OF CLAYTON COUNTY IN EAST CENTRAL IOWA AND JO DAVIESS COUNTY IN NORTHWEST ILLINOIS... AT 705 PM CDT...RAINSHOWERS AND THUNDERSTORMS SOME WITH VERY HEAVY RAIN WERE JUST WEST OF DYERSVILLE IN DUBUQUE COUNTY AND OVER MONTICELLO IN JONES COUNTY...25 MILES WEST AND 35 MILES SOUTHWEST OF DUBUQUE. THE STORMS WERE MOVING TO THE EAST AT 15 MILES AN HOUR AND WILL CAUSE SOME MINOR FLOODING OF LOW LYING AREAS AND UNDERPASSES IN THE MONTICELLO AND DYERSVILLE AREAS. IF YO@U ARE IN THE PATH OF THESE STORMS BE PREPARED TO MOVE TO HIGHER GROUND SHOULD RISING WATERS THREATEN YOUR SAFETY. REPORT ANY FLOODING TO YOUR LOCAL LAW ENFORCMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. HOOPER
Special weather statement, Jul 17, 7:15 PM CDT, 7 minutes before
ILZ004-IAZ078-088-089-099-180130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 715 PM CDT SAT JUL 17 1993 ...SEVERE THUNDERSTORMS WATCH IN EFFECT UNTIL 11 PM... ...FLASH FLOOD WATCH IN EFFECT FOR EAST CENTRAL AND SOUTHEAST IOWA TONIGHT... AT 715 PM RADAR INDICATED TWO INTENSE THUNDERSTORMS...ONE OVER NORTHWEST CEDAR COUNTY...THE OTHER OVER THE CEDAR/SOUTHWEST CLINTON COUNTY LINE...BOTH IN EAST CENTRAL IOWA. THE STRONGEST THUNDERSTORM WAS OVER MECHANICSVILLE IN NORTHWEST CEDAR COUNTY. THE OTHER INTENSE THUNDERSTORM WAS NEAR WHEATLAND IN SOUTHWEST CLINTON COUNTY. THE COMMUNITIES OF MECHANICSVILLE...CLARENCE...LOST NATION AND WHEATLAND AND DEWITT MAY SEE STRONG GUSTY WINDS OF UP TO 50 MILES AN HOUR...SMALL HAIL AND VERY HEAVY RAIN BETWEEN 715 AND 8 PM. IF YOU ARE IN THE PATH OF THESE STORMS...TAKE SHELTER UNTIL THEY HAVE PASSED. IF TIME PERMITS...PLEASE RELAY ANY SEVERE WEATHER REPORT TO YOUR NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. AS THE GROUND REMAINS SATURATED WITH ALL STREAMS...CREEKS AND RIVERS RUNNING BEYOND BANKSFUL...PERSONS IN LOW LYING AREAS NOT ALREADY IN FLOOD SHOULD BE PREPARED TO MOVE TO HIGHER GROUND SHOULD RISING WATERS THREATEN. DICKEY
Nearby
Flash Flood Warnings in Iowa, 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.