Alert archive / Iowa / Tornado Warnings in 1988
Tornado Warning 10, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Jul 9, 1988, 1:28 PM CDT for Guthrie County, Iowa. It was in force for 32 min.
The area
The counties it named.
The facts
- Issued
- Jul 9, 1988, 1:28 PM CDT (18:28 UTC)
- Expired
- Jul 9, 1988, 2:00 PM CDT
- In force
- 32 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Guthrie County, IA
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
Omaha, NE (KOAX), launched 12:00Z, 6.5 hours before the alert went out and 161 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
- 3618 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -50 m²/s²
- 0-3 km storm-relative helicity
- -58 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 KDSM 091830 TORDSM IAC077-091900- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 128 PM CDT SAT JUL 9 1988 THE NATIONAL WEATHER SERVICE HAS I
What forecasters said that day
The local office's own words before this tornado 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 9, 9:06 AM CDT, 4 hours 22 minutes before
SPECIAL IOWA DROUGHT STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 905 AM CDT SAT JUL 9 1988 HOT AND HUMID WEATHER CONTINUED ACROSS IOWA DURING THE PAST 24 HOURS. HIGH TEMPERATURES FRIDAY RANGED FROM THE MIDDLE TO UPPER 80S IN THE EXTREME NORTH AND WEST TO THE MIDDLE 90S ELSEWHERE. NO RECORD HIGHS WERE REPORTED. OVERNIGHT LOWS WERE IN THE MIDDLE 60S TO LOWER 70S. SHOWERS AND THUNDERSTORMS WERE SCATTERED OVER NORTH AND WESTERN COUNTIES YESTERDAY...LAST NIGHT AND THIS MORNING. SUBSTANTIAL RAINS FELL IN AN AREA BETWEEN OMAHA/COUNCIL BLUFFS...CHEROKEE AND SPIRIT LAKE. SEVERAL ISOLATED AREAS PICKED UP HEAVIER RAINS. CHEROKEE IN NORTHWEST IOWA...RECEIVED A LITTLE UNDER ONE INCH AND FOUR TENTHS /1.39/...SPENCER IN NORTHWEST IOWA...PICKED UP A AROUND AN INCH /.97/...AND HAMBURG IN EXTREME SOUTHWEST IOWA REPORTED EIGHT TENTHS /.80/. OVERALL...RAINFALL AMOUNTS RANGED FROM LESS THAN TENTH OF AN INCH IN PARTS OF NORTH CENTRAL AND CENTRAL IOWA...TO OVER THREE QUARTERS OF AN INCH OVER THE NORTHWEST THIRD OF THE STATE. WARM AND HUMID WEATHER WILL CONTINUE TODAY THROUGH SUNDAY...WITH HIGHS IN THE MIDDLE 80S AND LOWER 90S. SHOWERS AND THUNDERSTORMS WILL LINGER OVER THE WESTERN AND NORTHERN COUNTIES TODAY...AND BEGIN TO SPREAD OR DEVELOP FURTHER INTO CENTRAL AND EASTERN IOWA LATER THIS AFTERNOON...TONIGHT AND SUNDAY. SUBSTANIAL RAINS WILL BE SPOTTY. THE FORECAST FOR MONDAY THROUGH WEDNESDAY FOR IOWA INDICATES A A CHANCE OF THUNDERSTORMS ON MONDAY WITH PARTLY CLOUDY CONDITIONS TUESDAY AND WEDNESDAY WITH NEAR SEASONAL TEMPERATURES. THE REMAINDER OF NEXT WEEK CALLS FOR TEMPERATURES TO AVERAGE ABOVE NORMAL...WITH BELOW NORMAL RAINFALL. MCQUIRTER
Special weather statement, Jul 9, 11:50 AM CDT, 1 hour 38 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 1148 AM CDT SAT JUL 9 1988 AT 1135 AM...A SMALL CLUSTER OF INTENSE THUNDERSTORMS HAD DEVELOPED 10 TO 20 MILES SOUTH AND SOUTHEAST OF DES MOINES AROUND THE CITIES OF INDIANOLA AND MELCHER. DUE TO THE RAPID DEVELOPMENT OF THESE STORMS VERY HEAVY RAIN...STRONG GUSTY WINDS AND FREQUENT DANGEROUS LIGHTNING IS LIKELY WITH THESE STORMS. A 70 MILE WIDE BAND OF SHOWERS AND THUNDERSTORMS STRETCHED FROM THE SOUTHWEST TO NORTHEAST CORNERS OF THE STATE. THE SHOWERS AND STORMS WERE LOCATED 35 TO 40 MILES EITHER SIDE OF A LINE FROM OMAHA/COUNCIL BLUFFS NORTHEAST TO DECORAH. THE STRONGEST STORMS IN THIS BAND WERE (LOCATED 10 MILES NORTHEAST OF COUNCIL BLUFFS AND 45 MILES NORTHEAST OF WATERLOO NEAR POSTVILLE. THE SHOWERS AND STORMS WERE MOVING NORTHEAST AT 20 MILES AN HOUR. BARLOW
Special weather statement, Jul 9, 12:46 PM CDT, 42 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 1245 PM CDT SAT JUL 9 1988 AT 1235 PM...AN 80 MILE WIDE BAND OF SHOWERS AND ISOLATED STRONG THUNDERSTORMS STRETCHED FROM SOUTHWEST THROUGH CENTRAL INTO NORTH CENTRAL AND NORTHEAST IOWA. THE STRONGEST STORMS WERE LOCATED IN A 30 MILE WIDE BAND FROM JUST SOUTHWEST OF DES MOINES NORTHEAST TO 20 MILES SOUTHEAST OF WATERLOO...NEAR VINTON. VERY HEAVY RAIN ...FREQUENT DANGEROUS LIGHTNING AND GUSTY WINDS CAN BE EXPECTED WITH THESE STORMS. SHOWERS AND ISOLATED THUNDERSTORMS WERE SCATTERED OVER THE NORTH CENTRAL AND NORTHEAST COUNTIES OF THE STATE. THE SHOWERS AND STORMS WERE MOVING NORTHEAST AT 20g MILES AN HOUR. BARLOW
Nearby
Tornado Warnings in Iowa, 1988Every tornado warning in 1988Tornadoes in 1988
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.