Alert archive / Illinois / Flash Flood Warnings in 1993
Flash Flood Warning 19, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Jul 2, 1993, 10:04 PM CDT for Boone County, Winnebago County, Illinois. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 2, 1993, 10:04 PM CDT (03:04 UTC)
- Expired
- Jul 3, 1993, 1:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Boone County, IL, Winnebago County, IL
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.1 hours before the alert went out and 250 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
- 274 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1041 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KRFD 030304
FFWRFD
ILC201-007-030600-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ROCKFORD IL
1004 PM CDT FRI JUL 2 1993
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 100 AM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTH CENTRAL PART OF ILLINOIS
WINNEBAGO...BOONE
AT 9 55 PM CDT...THE ILLINOIS STATE POLICE REPORTED CARS THAT
WERE HALF SUBMERGED NEAR HARRISON AVE AND OLSON STREET IN THE
CITY OF ROCKFORD DUE TO VERY HEAVY RAINFALL. THESE HEAVY RAINS
SHOULD CONTINUE OVER WINNEBAGO AND BOONE COUNTIES CREATING
DANGEROUS FLOODING OF HIGHWAYS AND STREET UNDERPASSES.
SOME COMMUNITIES THAT ARE IN OR NEAR THE FLASH FLOOD AREA...
THE GREATER ROCKFORD METRO AREA...BELVIDERE...POPLAR GROVE.
IF YOU ARE IN LOW LYING...FLOOD PRONE AREA...MOVE TO HIGHER GROUND!
IF CAMPING...WATCH FOR RAPIDLY RISING WATER THAT MAY ENDANGER YOUR
CAMPSITE! DO NOT CROSS HIGHWAYS THAT ARE COVERED BY WATER...IT MAY
BE MUCH DEEPER THAN YOU THINK! REMEMBER...FLASH FLOODS HAPPEN VERY
RAPIDLY...BE ALERT!
SANDERSWhat 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 2, 4:28 PM CDT, 5 hours 36 minutes before
ILZ009-010-022230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 430 PM CDT FRI JUL 2 1993 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR EAST CENTRAL ILLINOIS UNTIL 7 PM CDT... AT 425 PM CDT...RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING EAST OF A LINE FROM 5 MILES NORTH OF CHAMPAIGN...TO 55 MILES SOUTHWEST OF TERRE HAUTE INDIANA. THIS LINE OF STORMS WAS MOVING NORTHEAST AT 30 MPH AND WILL MOVE OUT OF EAST CENTRAL ILLINOIS BY 6 PM. PERSONS IN THE PATH OF THESE STORMS CAN EXPECT BRIEF GUSTY WINDS TO 40 MPH...VERY HEAVY RAINS...AND DANGEROUS LIGHTNING. STAY TUNED TO YOUR FAVORITE SOURVE FOR WEATHER INFORMATION IN CASE FURTHER STATEMENTS OR WARNINGS ARE ISS`UED. PEARSON
Special weather statement, Jul 2, 5:02 PM CDT, 5 hours 2 minutes before
ILZ009-010-022230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 500 PM CDT FRI JUL 2 1993 ...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELED FOR EAST CENTRAL ILLINOIS... AT 500 PM CDT...RADAR INDICATED A FEW SCATTERED SHOWERS OVER EXTREME EAST CENTRAL ILLINOIS. THE SHOWERS EXTENDED FROM 20 MILES SOUTH OF DANVILLE TO 30 MILES WEST OF TERRE HAUTE. THE SHOWERS WERE MOVING NORTHEAST AT 30 MPH AND WILL MOVE OUT OF EAST CENTRAL ILLINOIS BY 530 PM. THESE SCATTERED SHOWERS SHOULD END BY 530 PM WITH SKIES BECOMING PARTLY CLOUDY THIS EVENING. TEMPERATURES WILL REMAIN IN THE LOW 70S THROUGH 9 PM. PEARSON
Special weather statement, Jul 2, 7:35 PM CDT, 2 hours 29 minutes before
ILZ006-007-009-030145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 735 PM CDT FRI JUL 2 1993 ...THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH CENTRAL ILLINOIS... A SMALL AREA OF THUNDERSTORMS EXTENDED FROM ABOUT 15 MILES SOUTHWEST OF PEORIA...TO ABOUT DELAVAN...21 MILES SOUTHEAST OF PEORIA AT 730 PM. THESE STORMS WERE MOVING EAST AROUND 25 MPH AND ARE EXPECTED TO MOVE ACROSS SOUTHERN TAZEWELL COUNTY THROUGH 830 PM. THE THUNDERSTORMS WILL APPROACH BLOOMINGTON/NORMAL BETWEEN 830 AND 930 PM. PERIODS OF HEAVY RAIN AND SOME SMALL HAIL ARE POSSIBLE WITH THESE STORMS. ANOTHER THUNDERSTORM HAD JUST DEVELOPED IN WESTERN ILLINOIS NEAR VERMONT...ABOUT 50 MILES SOUTHWEST OF PEORIA AT 730 PM. IF THIS STORM REMAINS INTACT IT WILL MOVE TOWARD HAVANA BETWEEN 800 AND 830 PM. HEAVY RAIN IS ALSO POSSIBLE WITH THIS STORM. MILLER
Special weather statement, Jul 2, 7:37 PM CDT, 2 hours 27 minutes before
ILZ006-007-009-030145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 735 PM CDT FRI JUL 2 1993 ...THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH CENTRAL ILLINOIS... A SMALL AREA OF THUNDERSTORMS EXTENDED FROM ABOUT 15 MILES SOUTHWEST OF PEORIA...TO ABOUT DELAVAN...21 MILES SOUTHEAST OF PEORIA AT 730 PM. THESE STORMS WERE MOVING EAST AROUND 25 MPH AND ARE EXPECTED TO MOVE ACROSS SOUTHERN TAZEWELL COUNTY THROUGH 830 PM. THE THUNDERSTORMS WILL APPROACH BLOOMINGTON/NORMAL BETWEEN 830 AND 930 PM. PERIODS OF HEAVY RAIN AND SOME SMALL HAIL ARE POSSIBLE WITH THESE STORMS. ANOTHER THUNDERSTORM HAD JUST DEVELOPED IN WESTERN ILLINOIS NEAR VERMONT...ABOUT 50 MILES SOUTHWEST OF PEORIA AT 730 PM. IF THIS STORM REMAINS INTACT IT WILL MOVE TOWARD HAVANA BETWEEN 800 AND 830 PM. HEAVY RAIN IS ALSO POSSIBLE WITH THIS STORM. MILLER
Nearby
Flash Flood Warnings in Illinois, 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.