Alert archive / Iowa / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 65, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jun 16, 1993, 7:34 AM CDT for Hamilton County, Wright County, Iowa. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- Jun 16, 1993, 7:34 AM CDT (12:34 UTC)
- Expired
- Jun 16, 1993, 8:00 AM CDT
- In force
- 26 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
Counties Hamilton County, IA, Wright County, IA
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 0.6 hours before the alert went out and 255 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
- 567 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 420 m²/s²
- 0-3 km storm-relative helicity
- 484 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, 4:46 AM CDT, 2 hours 48 minutes before
IAZALL-161035- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 445 AM CDT WED JUN 16 1993 AT 425 AM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN AND SMALL HAIL WERE LOCATED IN NORTHWEST IOWA...10 MILES EAST OF EMMETSBURG...5 MILES WEST OF ESTHERVILLE AND 10 MILES EAST OF SIBLEY. THESE STORMS WERE PART OF A LARGER AREA OF SCATTERED THUNDERSTORMS WHICH CONTINUED ACROSS NORTHERN AND WESTERN IOWA. THIS THUNDERSTORM AREA WAS LOCATED NORTHWEST OF A LINE EXTENDING FROM THE MINNESOTA BORDER 60 MILES NORTH OF WATERLOO...TO CHARLES CITY...TO ALGONA...25 MILES SOUTHEAST OF COUNCIL BLUFFS. MOVEMENT WAS EAST-NORTHEAST AT 35 MILES AN HOUR. THE STORMS ACROSS NORTH CENTRAL AND NORTHWEST IOWA WERE PRODUCING VERY FREQUENT CLOUD TO GROUND LIGHTNING. RESIDENTS SHOULD TAKE LIGHTNING SAFETY PRECUATIONS...STAY INSIDE YOUR HOME OR INSIDE THE ENCLOSED CAB OF YOUR VEHICHLE. STAY AWAY FROM METAL OBJECTS WHICH COULD CONDUCT ELzECTRICITY AND DO NOT TALK ON THE TELEPHONE. R A PRENTICE
Special weather statement, Jun 16, 6:07 AM CDT, 1 hour 27 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-161200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 6 AM CDT SUN JUN 13 1993 ...STRONG THUNDERSTORMS MOVING INTO HANCOCK AND WINNEBEGO COUNTIES... AT 6 AM RADAR INDICATED VERY STRONG THUNDERSTORMS MOVING INTO WESTERN HANCOCK COUNTY...5 MILES WEST OF BRITT...25 MILES WEST OF NASON CITY. THIS STORM WAS MOVING EAST AT 35 MILES AN HOUR AND WILL LIKELY PRODUCE HEAVY DOWNPOURS...SMALL HAIL AND GUSTY WINDS TO 40 MILES AN HOUR. THESE STORMS ARE PART OF A LARGER AREA OF STORMS WHICH HAVE PRODUCED LARGE HAIL EARLIER IN CLAY COUNTY. STAY TUNED TO LOCAL RADIO...TELEVISION AND NOAA WEATHER RADIO FOR STATEMENTSl AND POSSIBLE WARNINGS. DP
Special weather statement, Jun 16, 6:40 AM CDT, 54 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-161245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 640 AM CDT WED JUN 16 1993 ...STRONG THUNDERSTORMS IN NORTH CENTRAL IOWA... A LINE OF VERY STRONG THUNDERSTORMS EXTENDS FROM 10 MILES NORTHWEST OF MASON CITY NEAR MANLY... SOUTHWEST TO EAGLE GROVE...40 MILES SOUTHWEST OF MASON CITY. THESE STORMS WERE MOVING EAST AT 35 TO 40 MILES AN HOUR AND WILL AFFECT THE MASON CITY AND GARNER AREAS THROUGH 7 AM. THESE STORMS SHOULD AFFECT THE NORA SPRINGS...ROCKFORD AND HAMPTON AREAS BTWEEN 7 AND 730 AM CDT. THESE STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...WIND GUSTS TO 40 MILES AN HOUR AND BRIEF HEAVY DOWNPOURS. STAY TUNED TO LOCAL RADIO...TELEVISION AND NOAA WEATHER RADIO FOR ADITIONAL STATEMENTS AND POSSIBLE WARNINGS. DP
Special weather statement, Jun 16, 6:44 AM CDT, 50 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-161245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 640 AM CDT WED JUN 16 1993 ...STRONG THUNDERSTORMS IN NORTH CENTRAL IOWA... A LINE OF VERY STRONG THUNDERSTORMS EXTENDS FROM 10 MILES NORTHWEST OF MASON CITY NEAR MANLY... SOUTHWEST TO EAGLE GROVE...40 MILES SOUTHWEST OF MASON CITY. THESE STORMS WERE MOVING EAST AT 35 TO 40 MILES AN HOUR AND WILL AFFECT THE MASON CITY AND GARNER AREAS THROUGH 7 AM. THESE STORMS SHOULD AFFECT THE NORA SPRINGS...ROCKFORD AND HAMPTON AREAS BTWEEN 7 AND 730 AM CDT. THESE STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...WIND GUSTS TO 40 MILES AN HOUR AND BRIEF HEAVY DOWNPOURS. STAY TUNED TO LOCAL RADIO...TELEVISION AND NOAA WEATHER RADIO FOR ADITIONAL STATEMENTS AND POSSIBLE WARNINGS. DP
Special weather statement, Jun 16, 7:15 AM CDT, 19 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-161320- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 715 AM CDT WED JUN 16 1993 ...LINE OF VERY STRONG THUNDERSTORMS MOVING THROUGH NORTH CENTRAL IOWA... A LINE OF VERY STRONG THUNDERSTORMS EXTENDS FROM 10 MILES WEST OF OSAGE OR 20 MILES NORTHEAST OF MASON CITY TO 5 MILES WEST OF ROCKWELL CITY... 65 MILES SOUTHWEST OF MASON CITY. THESE STORMS WERE MOVING TO THE EAST AT 25 MILES AN HOUR AND HAVE PRODUCED WIND GUSTS TO 40 MILES AN HOUR... PEA SIZED HAIL...AND HEAVY DOWNPOURS. THESE STORMS SHOULD AFFECT THE NORA SPRINGS...ROCKFORD...SHEFFIELD... AND HAMPTON AREAS FROM 730 THROOUGH 8AM. THE STORMS WILL MOVE INTO THE CLARKSVILLE AND PARKERSBURG AREAS BETWEEN 8 AND 830 AM. DP
Special weather statement, Jun 16, 7:22 AM CDT, 12 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-161320- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 715 AM CDT WED JUN 16 1993 ...LINE OF VERY STRONG THUNDERSTORMS MOVING THROUGH NORTH CENTRAL IOWA... A LINE OF VERY STRONG THUNDERSTORMS EXTENDS FROM 10 MILES WEST OF OSAGE OR 20 MILES NORTHEAST OF MASON CITY TO 5 MILES WEST OF ROCKWELL CITY... 65 MILES SOUTHWEST OF MASON CITY. THESE STORMS WERE MOVING TO THE EAST AT 25 MILES AN HOUR AND HAVE PRODUCED WIND GUSTS TO 40 MILES AN HOUR... PEA SIZED HAIL...AND HEAVY DOWNPOURS. THESE STORMS SHOULD AFFECT THE NORA SPRINGS...ROCKFORD...SHEFFIELD... AND HAMPTON AREAS FROM 730 THROOUGH 8AM. THE STORMS WIL L MOVE INTO THE CLARKSVILLE AND PARKERSBURG AREAS BETWEEN 8 AND 830 AM. DP
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 10:45 PM CDT | Severe Thunderstorm Warning | DMX | Clay, Dickinson | 45 min |
| Jun 16, 5:39 AM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 36 min |
| Jun 16, 6:02 AM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 12 hr |
| Jun 16, 6:35 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Webster | 35 min |
| Jun 16, 7:18 AM CDT | Severe Thunderstorm Warning | DMX | Webster | 27 min |
| Jun 16, 7:22 AM CDT | Tornado Warning | DMX | Webster | 23 min |
| Jun 16, 7:35 AM CDT | Severe Thunderstorm Warning | DMX | Franklin | 35 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 1993Every severe thunderstorm 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.