Alert archive / Iowa / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 69, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jul 15, 1992, 6:39 PM CDT for Taylor County, Iowa. It was in force for 41 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 15, 1992, 6:39 PM CDT (23:39 UTC)
- Expired
- Jul 15, 1992, 7:20 PM CDT
- In force
- 41 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Taylor County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 15, 6:42 PM CDT | Hail 1.5 | Taylor, IA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Omaha, NE (KOVN), launched 12:00Z, 11.7 hours before the alert went out and 155 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
- 190 J/kg
- Mixed-layer CIN
- -258 J/kg
- Mixed-layer LCL
- 1188 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 254 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDSM 152345 SVRDSM IAC159-173-160030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DES MOINES IA 639 PM CDT WED JUL 15 1992 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL IOWA ...WESTERN RINGGOLD COUNTY IN SOUTHWEST IOWA ...SOUTHERN TAYLOR COUNTY AT 640 PM CDT...RADAR INDICATED SEVERE THUNDERSTORMS IN SOUTHERN TAYLOR COUNTY AND IN WESTERN RINGGOLD COUNTY...OR ABOUT 80 MILES SOUTHWEST OF DES MOINES. THE STORMS WERE MOVING SOUTHEAST AT 25 MPH AND WILL AFFECT THE COMMUNITIES OF ATHELSTAN...BLOCKTON...BENTON AND REDDING. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. MOVE TO THE CENTER OF YOUR HOUSE...STAY AWAY FROM WINDOWS...AND BE READY TO ACT QUICKLY IF A TORNADO DEVELOPS.
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, Jul 15, 5:42 PM CDT, 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 538 PM CDT WED JUL 15 1992 AT 545 PM CDT RADAR INDICATED A STRONG THUNDERSTORM NEAR BANCROFT IOWA...50 MILES EAST OF FOREST CITY. THIS STORM WAS MOVING EAST AT 35 MILES AN HOUR AND WILL AFFECT BUFFALO CENTER AND BRITT IOWA IN THE NEXT HOUR. THIS STORM WILL LIKELY PRODUCE BRIEF HEAVY RAINS...DEADLY LIGHTNING...SMALL HAIL...AND STRONG GUSTY WINDS AS IT MOVES THROUGH THESE AR~EAS.
Special weather statement, Jul 15, 5:46 PM CDT, 53 minutes before
IAZALL-152340- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 545 PM CDT WED JUL 15 1992 ...TORNADO WATCH FOR SOUTHWEST AND CENTRAL IOWA UNTIL 10 PM CDT... AT 530 PM CDT...SCATTERED STRONG THUNDERSTORMS WERE OCCURRING OVER THE WEST HALF OF IOWA. THE STORMS WERE WEST OF A LINE EXTENDING FROM THE IOWA/MINNESOTA BORDER NORTH OF MASON CITY...TO 20 MILES WEST OF DES MOINES AT ADEL...TO LAMONI. THE STRONGEST STORMS WERE LOCATED 15 MILES SOUTHWES OF SHENANDOAH...55 MILES SOUTHWEST OF DES MOINES... 15 MILES SOUTH OF HARLAN IN SHELBY COUNTY...AND BETWEEN SPIRIT LAKE AND POCAHONTAS. PEA TO MARBLE SIZED HAIL WAS REPORTED WITH THESE STORMS. THE STORMS WERE MOVING EAST AT 25 MILES AN HOUR. RICHTER/FILLBACH
Special weather statement, Jul 15, 6:03 PM CDT, 36 minutes before
IAC081-191-160000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 600 PM CDT WED JUL 15 1992 AT 6 PM CDT RADAR INDICATED A STRONG THUNDERSTORM 20 MILES EAST OF FOREST CITY. THIS STORM WAS MOVING EAST AT 35 MILES AN HOUR AND WILL AFFECT THE FOREST CITY AREA IN THE NEXT HOUR. THIS STORM WILL LIKELY PRODUCE BRIEF HEAVY RAINS...DEADLY LIGHTNING...SMALL HAIL... AND STRONG GUSTY WINDS AS IT MOVES THROGH THIS AREA.
Special weather statement, Jul 15, 6:13 PM CDT, 26 minutes before
IAZALL-150015- SPECIAL WEATHER STATEMENT AND WEATHER UPDATE NATIONAL WEATHER SERVICE DES MOINES IA 611 PM CDT WED JUL 15 1992 ...TORNADO WATCH FOR SOUTHWEST AND CENTRAL IOWA UNTIL 10 PM CDT... AT 6 PM CDT...SCATTERED INTENSE THUNDERSTORMS WERE OCCURRING OVER THE WEST HALF OF IOWA. THE STORMS WERE LOCATED 10 MILES NORTHEAST OF POCAHONTAS...AND WITHIN A 15 MILE WIDE AREA THAT WAS CENTERED FROM 40 MILES SOUTHWEST OF DES MOINES NEAR GREENFIELD TO 25 MILES EAST OF COUNCIL BLUFFS/OMAHA. IN ADDITION...AN INTENSE THUNDERSTORM WAS LOCATED 35 MILES WEST OF LAMONI NEAR BEDFORD. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF VERY HEAVY RAIN... DEADLY LIGHTNING...PEA TO DIME SIZED HAIL...AND GUSTY WINDS. WITHIN THE NEXT HOUR...THE ISOLATED INTENSE THUNDERSTORMS LEADING EDGE WILL BE LOCATED AT A LINE EXTENDING FROM 40 MILES SOUTHWEST OF MASON CITY ...TO 25 MILES WEST OF DES MOINES...TO LAMONI. THE STORMS WERE MOVING EAST AT 20 MILES AN HOUR. RICHTER
Special weather statement, Jul 15, 6:25 PM CDT, 14 minutes before
IAZ006>011-016>019-026>029-038>040-160200- WEATHER UPDATE FOR NORTHEAST IOWA NATIONAL WEATHER SERVICE WATERLOO IA 620 PM CDT WED JUL 15 1992 ...STRONG THUNDERSTORMS WERE MOVING INTO NORTH CENTRAL IOWA... AT 610 PM SHOWERS AND SCATTERED STRONG THUNDERSTORMS WERE MOVING INTO NORTH CENTRAL IOWA. THE STRONG THUNDERSTORMS WERE IN THE FOREST CITY AREA SOME 20 NORTHWEST OF MASON CITY. THESE THUNDESTORMS MAY PRODUCE SMALL HAIL...BRIEF HEAVY RAIN... S TRONG GUSTY WINDS AND DEADLY LIGHTNING. THESE STRONG THUNDERSTORMS WILL BE MOVING INTO THE MASON CITY AND MANLY AREA BY 7 PM CDT AND WERE MOVING TO THE EAST AT 35 MILES AN HOUR. MG
Special weather statement, Jul 15, 6:26 PM CDT, 13 minutes before
IAZ006>011-016>019-026>029-038>040-160200- SPECIAL WEATHER STATEMENT AND WEATHER UPDATE FOR NORTHEAST IOWA NATIONAL WEATHER SERVICE WATERLOO IA 620 PM CDT WED JUL 15 1992 ...STRONG THUNDERSTORMS WERE MOVING INTO NORTH CENTRAL IOWA... AT 610 PM SHOWERS AND SCATTERED STRONG THUNDERSTORMS WERE MOVING INTO NORTH CENTRAL IOWA. THE STRONG THUNDERSTORMS WERE IN THE FOREST CITY AREA SOME 20 NORTHWEST OF MASON CITY. THESE THUNDESTORMS MAY PRODUCE SMALL HAIL...BRIEF HEAVY RAIN... STRONG GUSTY WINDS AND DEADLY LIGHTNING. THESE STRONG THUNDERSTORMS WILL BE MOVING INTO THE MASON CITY AND MANLY AREA BY 7 PM CDT AND WERE MOVING TO THE EAST AT 35 MILES AN HOUR. MG
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 5:52 PM CDT | Tornado Warning | DMX | Audubon, Cass | 53 min |
| Jul 15, 6:35 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Union | 40 min |
| Jul 15, 6:39 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 51 min |
| Jul 15, 6:45 PM CDT | Tornado Warning | DMX | Cass | 45 min |
| Jul 15, 6:56 PM CDT | Tornado Warning | DMX | Union | 34 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 1992Every severe thunderstorm warning in 1992
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.