Alert archive / Idaho / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 21, NWS Boise, ID
NWS Boise, ID issued this severe thunderstorm warning at Jun 25, 1998, 5:05 PM MDT for Gem County, Idaho. It was in force for 60 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
- Jun 25, 1998, 5:05 PM MDT (23:05 UTC)
- Expired
- Jun 25, 1998, 6:05 PM MDT
- In force
- 60 min
- Issued by
- NWS Boise, ID
- Area
- Whole counties
County Gem County, ID
The radar
The Boise radar (KCBX), 65 km from the middle of the area, began a volume at 23:06 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 25, 5:30 PM MDT | Hail 0.75 | Emmett, ID |
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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 25, 3:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Boise Airport, ID (KBOI), launched 12:00Z, 11.1 hours before the alert went out and 57 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
- 149 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 807 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
360 WUUS1 KBOI 252306 RRA SVRBOI IDC045-260005- BULLETIN -- IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BOISE ID 505 PM MDT THU JUN 25 1998 THE NATIONAL WEATHER SERVICE IN BOISE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR: GEM COUNTY - SOUTHWESTERN IDAHO * UNTIL 605 PM MDT * AT 502 PM MDT A SEVERE THUNDERSTORM WAS INDICATED 21 MILES NORTHWEST OF BOISE OR 14 MILES SOUTHWEST OF SWEET BY BOISE DOPPLER RADAR MOVING NORTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... EMMETT AT 510 PM MDT SWEET AT 515 PM MDT DAMAGING WIND AND DEADLY LIGHTNING ARE POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS.
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
Local storm report, Jun 25, 12:22 PM MDT, 4 hours 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BOISE IDAHO
1222 PM MDT THU JUN 25 1998
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0850 AM 7 N BOISE ID
06/25/98 ADA STORM SPOTTER 7 MILES
NORTH OF BOISE REPORTS .50
INCHES OF RAIN IN 1/2
HOUR. .70 SINCE 9 PM LAST
NIGHT.
0900 AM FRUITVALE ID
06/25/98 ADAMS STORM SPOTTER 10 N OF
COUNCIL REPORTS .87 SINCE
830 PM WITH STORM TOTAL OF
1.27 FOR 24 HOURS.
0905 AM 2 E BOISE CITY ID FLOODING
06/25/98 ADA LAW ENFORCEMENT REPORTS
MUDSLIDES IN AREA OF WARM
SPRINGS AND STAR CREST.
0905 AM 2 W BOISE CITY ID FLOODING
06/25/98 ADA LAW ENFORCEMENT REPORTS
WATER IN THE INTERSECTION
OF HIGHWAY 55 AND FLOATING
FEATHER.
0912 AM BOISE CITY ID FLOODING
06/25/98 ADA BOISE DISPATCH REPORTS
MANHOLE COVER BLOWN OFF AT
16TH AND MAIN. ALSO
FLOODING AT 8TH STREET
DOWNTOWN.
0940 AM 3 NE BOISE ID
06/25/98 ADA HULLS GULCH RAWS STATION
RECORDS 44 HUNDREDTHS IN
15 MINUTES.
0945 AM IDAHO CITY ID
06/25/98 BOISE STORM SPOTTER REPORTS 35
HUNDREDTHS OVERNIGHT AND
43 HUNDREDTHS BETWEEN 800
AM AND 945 AM FOR TOTAL OF
78 HUNDREDTHS.
1020 AM 20 W ATLANTA ID FLOODING
06/25/98 ELMORE LAW ENFORCEMENT REPORTS
MIDDLE FORK BOISE ROAD
CLOSED DUE TO MUDSLIDE
ACROSS ROAD AT MP 60 AT
JUNCTION OF PFIFER CREEK.
1030 AM 7 N BOISE ID
06/25/98 ADA STORM SPOTTER 7 MILES
NORTH OF BOISE REPORTS 90
MINUTE RAINFALL OF .70.Local storm report, Jun 25, 12:22 PM MDT, 4 hours 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BOISE IDAHO
1222 PM MDT THU JUN 25 1998
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0850 AM 7 N BOISE ID
06/25/98 ADA STORM SPOTTER 7 MILES
NORTH OF BOISE REPORTS .50
INCHES OF RAIN IN 1/2
HOUR. .70 SINCE 9 PM LAST
NIGHT.
0900 AM FRUITVALE ID
06/25/98 ADAMS STORM SPOTTER 10 N OF
COUNCIL REPORTS .87 SINCE
830 PM WITH STORM TOTAL OF
1.27 FOR 24 HOURS.
0905 AM 2 E BOISE CITY ID FLOODING
06/25/98 ADA LAW ENFORCEMENT REPORTS
MUDSLIDES IN AREA OF WARM
SPRINGS AND STAR CREST.
0905 AM 2 W BOISE CITY ID FLOODING
06/25/98 ADA LAW ENFORCEMENT REPORTS
WATER IN THE INTERSECTION
OF HIGHWAY 55 AND FLOATING
FEATHER.
0912 AM BOISE CITY ID FLOODING
06/25/98 ADA BOISE DISPATCH REPORTS
MANHOLE COVER BLOWN OFF AT
16TH AND MAIN. ALSO
FLOODING AT 8TH STREET
DOWNTOWN.
0940 AM 3 NE BOISE ID
06/25/98 ADA HULLS GULCH RAWS STATION
RECORDS 44 HUNDREDTHS IN
15 MINUTES.
0945 AM IDAHO CITY ID
06/25/98 BOISE STORM SPOTTER REPORTS 35
HUNDREDTHS OVERNIGHT AND
43 HUNDREDTHS BETWEEN 800
AM AND 945 AM FOR TOTAL OF
78 HUNDREDTHS.
1020 AM 20 W ATLANTA ID FLOODING
06/25/98 ELMORE LAW ENFORCEMENT REPORTS
MIDDLE FORK BOISE ROAD
CLOSED DUE TO MUDSLIDE
ACROSS ROAD AT MP 60 AT
JUNCTION OF PFIFER CREEK.
1030 AM 7 N BOISE ID
06/25/98 ADA STORM SPOTTER 7 MILES
NORTH OF BOISE REPORTS 90
MINUTE RAINFALL OF .70.Local storm report, Jun 25, 4:54 PM MDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BOISE IDAHO
454 PM MDT THU JUN 25 1998
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0330 PM BOISE ID .25 INCH HAIL
06/25/98 ADA PEA SIZE HAIL REPORTED
JUST WEST OF BOISE
0345 PM BLISS ID .5 INCH HAIL
06/25/98 GOODING REPORTED BY SPOTTER
0352 PM BLISS ID .75 INCH HAIL
06/25/98 GOODING DIME SIZE HAIL REPORTED BY
SPOTTER
0403 PM GOODING ARPT ID 1 INCH HAIL
06/25/98 GOODING REPORTED BY SPOTTER.
0404 PM BLISS ID .75 INCH HAIL
06/25/98 GOODING BROKEN CAR WINDSHIELDS
REPORTED ALONG INTERSTATE.
0405 PM 3 NNW GOODING ID .5 INCH HAIL
06/25/98 GOODING REPORTED BY SPOTTER.
0410 PM 15 W GOODING ID .5 INCH HAIL
06/25/98 GOODING REPORTED BY SPOTTER
0413 PM 3 ENE GOODING ID .5 INCH HAIL
06/25/98 GOODING
0415 PM 15 W GOODING ID 1.5 INCH HAIL
06/25/98 GOODING REPORTED BY SPOTTER
0416 PM 3 W MIDDLETON ID 45 MPH TSTM GUST
06/25/98 CANYON REPORTED BY SPOTTER
0420 PM 4 S TWIN FALLS ID .75 INCH HAIL
06/25/98 TWIN FALLS DIME SIZE HAIL REPORTED BY
SPOTTER
0420 PM 1 W GOODING ID 1 INCH HAIL
06/25/98 GOODING REPORTED BY SPOTTER
0448 PM CALDWELL ID 48 MPH TSTM GUST
06/25/98 CANYON REPORTED BY SPOTTERLocal storm report, Jun 25, 4:54 PM MDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BOISE IDAHO
454 PM MDT THU JUN 25 1998
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0330 PM BOISE ID .25 INCH HAIL
06/25/98 ADA PEA SIZE HAIL REPORTED
JUST WEST OF BOISE
0345 PM BLISS ID .5 INCH HAIL
06/25/98 GOODING REPORTED BY SPOTTER
0352 PM BLISS ID .75 INCH HAIL
06/25/98 GOODING DIME SIZE HAIL REPORTED BY
SPOTTER
0403 PM GOODING ARPT ID 1 INCH HAIL
06/25/98 GOODING REPORTED BY SPOTTER.
0404 PM BLISS ID .75 INCH HAIL
06/25/98 GOODING BROKEN CAR WINDSHIELDS
REPORTED ALONG INTERSTATE.
0405 PM 3 NNW GOODING ID .5 INCH HAIL
06/25/98 GOODING REPORTED BY SPOTTER.
0410 PM 15 W GOODING ID .5 INCH HAIL
06/25/98 GOODING REPORTED BY SPOTTER
0413 PM 3 ENE GOODING ID .5 INCH HAIL
06/25/98 GOODING
0415 PM 15 W GOODING ID 1.5 INCH HAIL
06/25/98 GOODING REPORTED BY SPOTTER
0416 PM 3 W MIDDLETON ID 45 MPH TSTM GUST
06/25/98 CANYON REPORTED BY SPOTTER
0420 PM 4 S TWIN FALLS ID .75 INCH HAIL
06/25/98 TWIN FALLS DIME SIZE HAIL REPORTED BY
SPOTTER
0420 PM 1 W GOODING ID 1 INCH HAIL
06/25/98 GOODING REPORTED BY SPOTTER
0448 PM CALDWELL ID 48 MPH TSTM GUST
06/25/98 CANYON REPORTED BY SPOTTERThe office that day
Everything else NWS Boise, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 3:13 PM MDT | Severe Thunderstorm Warning | BOI | Elmore, Owyhee | 62 min |
| Jun 25, 3:45 PM MDT | Severe Thunderstorm Warning | BOI | Gooding | 65 min |
| Jun 25, 4:24 PM MDT | Severe Thunderstorm Warning | BOI | Jerome, Twin Falls | 61 min |
| Jun 25, 5:35 PM MDT | Severe Thunderstorm Warning | BOI | Jerome | 65 min |
Nearby
Severe Thunderstorm Warnings in Idaho, 1998Every severe thunderstorm warning in 1998
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; radar from the NEXRAD Level II archive.