Alert archive / Iowa / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 12, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at May 16, 1992, 5:57 PM CDT for Ida County, Iowa. It was in force for 33 min.
The area
The counties it named.
The facts
- Issued
- May 16, 1992, 5:57 PM CDT (22:57 UTC)
- Expired
- May 16, 1992, 6:30 PM CDT
- In force
- 33 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Ida County, IA
The nearest sounding before it
Omaha, NE (KOVN), launched 12:00Z, 11.0 hours before the alert went out and 138 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
- 80 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 756 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 126 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 KSUX 162302 SVRSUX IAC093-162330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX CITY IA 557 PM CDT SAT MAY 16 1992 THE NATIONAL WEATHER SERVICE IN SIOUX CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL IOWA ...EASTERN IDA COUNTY AT 550 PM CDT IDA GROVE SHERIFFS REPORTED 60 MILE AN HOUR WINDS AT IDA GROVE IOWA..50 MILES EAST OF SIOUX CITY IOWA. THE STORM PRODUCING THESE WINDS WAS LOCATED 2 MILES WEST OF IDA GROVE AND WAS MOVING AT NORTHEAST AT 30 MILES AN HOUR. THE TOWNS OF SCHALLER EARLY AND ARTHUR ARE IN THE PATH OF THIS STORMAND SHOULD EXPECT THE GUSTY WINDS BY 620 PM. OTHER STRONG STORMS WERE ALSO SOUTH OF IDA GROVE IA MOVING NORTHEAST. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING...SO BE ON THE LOOKOUT. IF A TORNADO IS SIGHTED GO TO A BASEMENT SHELTER OR INTERIOR ROOM ON THE LOWEST FLOOR ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING. REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH...LARGE HAIL...DEADLY LIGHTNING...AND HEAVY RAINS THAT CAN QUICKLY FLOOD LOW LYING AREAS. IF YOU ARE IN THE PATH OF THIS STORM TAKE SHELTER IN A REINFORCED BUILDING IMMEDIATELY.
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, May 16, 3:49 PM CDT, 2 hours 8 minutes before
SDZ001-002-006-008-009-013-014-162055- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 355 PM CDT SAT MAY 16 1992 ...A FROST ADVISORY HAS BEEN ISSUED FOR THE WEST 1/3 OF SOUTH DAKOTA FOR TONIGHT... A COLD FRONT WILL BRING COLD TEMPERATURES TO THE WEST 1/3 OF SOUTH DAKOTA TONIGHT. WIDESPREAD FROST CAN BE EXPECTED SO A FROST ADVISORY HAS BEEN ISSUED FOR TONIGHT. SOME LOW LYING AREAS MAY SEE TEMPERATURES BELOW FREEZING BY SUNRISE SUNDAY. PEOPLE WITH GARDENS SHOULD CONSIDER PROTECTING ANY PLANTS THAT CAN NOT WITHSTAND TEMPERATURES AROUND FREEZING. OUTDOOR POTTED PLANTS CAN BE BROUGHT IN FOR THE NIGHT. A GOOD WARMUP WILL BEGIN SUNDAY AND CONTINUE INTO MONDAY. KOSCIELSKI
Special weather statement, May 16, 4:07 PM CDT, 1 hour 50 minutes before
IAZ001-004-005-162215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 406 PM CDT SAT MAY 16 1992 ...A TORNADO WATCH IS IN EFFECT FOR A PORTION OF THE SIOUXLAND AREA UNTIL 10 PM CDT... AT 400 PM CDT...SHOWERS AND THUNDERSTORMS WERE RAPIDLY DEVELOPING ACROSS THE SIOUXLAND AREA AND WERE MOVING NORTHEAST AT 35 MILES AN HOUR. THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THE SIOUXLAND AREA THIS EVENING. SOME OF THE STORMS COULD BECOME SEVERE AND A TORNADO IS POSSIBLE. STAY TUNED TO WEATHER RADIO OR LOCAL TELEVISION AND RADIO STATIONS FOR POSSIBLE WARNINGS. IF THREATENING WEATHER SHOULD APPROACH YOU... TAKE COVER ON THE LOWEST FLOOR OF A STURDY BUILDING. S QUINN
Special weather statement, May 16, 5:12 PM CDT, 45 minutes before
IAZ001-004-005-162315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 510 PM CDT SAT MAY 16 1992 ...A TORNADO WATCH IS IN EFFECT FOR A PORTION OF THE SIOUXLAND AREA UNTIL 10 PM CDT... AT 503 PM CDT SCATTERED THUNDERSTORMS WERE SOUTH OF A LINE FROM CHEROKEE IOWA...50 MILES NORTHEAST OF SIOUX CITY TO PENDER NEBRASKA... 30 MILES SOUTHWEST OF SIOUX CITY. THE STRONGEST STORMS WERE NEAR BLENCOE AND CLIMBING HILL...45 TO 20 MILES SOUTHEAST OF SIOUX CITY. OTHER STRONGER STORMS WERE NEAR CHEROKEE AND CORRECTIONVILLE. THESE STORMS HAVE PRODUCE PEA SIZE HAIL...HEAVY RAIN AND GUSTY WINDS. THE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. IF YOU ARE IN THE PATH OF THESE STORMS OR SEE THREATENING WEATHER... TAKE SHELTER IN A REINFORCED BUILDING UNTIL THE STORMS HAVE PASSED. THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS EVENING...AND SOME OF THE STORMS COULD BECOME SEVERE. STAY TUNED TO WEATHER RADIO AND LOCAL TELEVISION AND RADIO STATIONS FOR POSSIBLE WARNINGS. S QUINN
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; the sounding from the Mesonet's radiosonde archive.