Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 15, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 16, 1990, 5:07 PM CDT for Henry County, Whiteside County, Illinois. It was in force for 38 min.
The area
The counties it named.
The facts
- Issued
- Jun 16, 1990, 5:07 PM CDT (22:07 UTC)
- Expired
- Jun 16, 1990, 5:45 PM CDT
- In force
- 38 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
Counties Henry County, IL, Whiteside County, IL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.1 hours before the alert went out and 361 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1259 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm 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 16, 3:00 PM CDT, 2 hours 7 minutes before
ILZ004-IAZ015-162100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 255 PM CDT SAT JUN 16 1990 ...STRONG THUNDERSTORMS AGAIN IN EASTERN IOWA... AT 250 PM CDT RADAR SHOWS A LINE OF VERY STRONG THUNDERSTORMS IN EASTERN IOWA...EXTENDING FROM NEAR IOWA CITY TO FAIRFIELD IA EXTENDING SOUTH INTO NORTHERN MISSOURI. THE THUNDERSTORMS WERE MOVING EAST AT 30 MPH AND SHOULD REACH A MUSCATINE...BURLINGTON LINE SHORTLY BEFORE 4 PM CDT. P$ERSONS IN THE PATH OF THESE THUNDERSTORMS CAN EXPECT HEAVY RAINFALL ALONG WITH GUSTY WINDS OF 40 TO 50 MPH AND DANGEROUS LIGHTNING. KRAEMER
Special weather statement, Jun 16, 3:36 PM CDT, 1 hour 31 minutes before
ILZ004-IAZ015-162130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 330 PM CDT SAT JUN 16 1990 ...THUNDERSTORMS ROLLING INTO EASTERN IOWA... AT 325 PM CDT RADAR SHOWS A LINE OF STRONG THUNDERSTORMS IN EASTERN IOWA...EXTENDING ACROSS WESTERN CEDAR AND WESTERN MUSCATINE COUNTIES...ABOUT 40 MILES WEST OF THE QUAD CITIES.. TO NEAR BURLINGTON IA. WHILE THE THUNDERSTORMS HAVE DECREASED IN INTENSITY..BRIEF GUSTY WINDS ALONG WITH HEAV7Y RAINFALL IS STILL LIKELY. IOWA CITY AIRPORT REPORTED WIND GUSTS TO 43 MPH AROUND 315 PM CDT. ANY ADDITONAL RAINFALL IN CEDAR AND MUSCATINE COUNTIES WILL CAUSE ADDITIONAL RISES ON COUNTY STREAMS AND RIVERS. KRAEMER
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 7:52 AM CDT | Flash Flood Warning | DVN | Cedar, Clinton, Muscatine, Scott | 4 hr |
| Jun 16, 10:35 AM CDT | Flash Flood Warning | DVN | Jones | 4 hr |
| Jun 16, 11:52 AM CDT | Flash Flood Warning | DVN | Clinton | 4 hr |
| Jun 16, 11:52 AM CDT | Flash Flood Warning | DVN | Cedar, Scott | 4 hr |
| Jun 16, 1:28 PM CDT | Flash Flood Warning | DVN | Jones | 4 hr |
| Jun 16, 4:03 PM CDT | Flash Flood Warning | DVN | Cedar, Muscatine, Scott | 3 hr |
| Jun 16, 4:03 PM CDT | Flash Flood Warning | DVN | Clinton | 3 hr |
| Jun 16, 7:52 AM CDT | Flash Flood Warning | DVN | Rock Island | 4 hr |
| Jun 16, 8:48 AM CDT | Flash Flood Warning | DVN | Whiteside | 3 hr |
| Jun 16, 4:18 PM CDT | Tornado Warning | DVN | Mercer | 27 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1990Every severe thunderstorm warning in 1990
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.