Alert archive / Michigan / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 16, NWS Marquette, MI
NWS Marquette, MI issued this severe thunderstorm warning at Jun 16, 2001, 7:42 PM EDT for Schoolcraft County, Michigan. It was in force for 48 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 16, 2001, 7:42 PM EDT (23:42 UTC)
- Expired
- Jun 16, 2001, 8:30 PM EDT
- In force
- 48 min
- Issued by
- NWS Marquette, MI
- Area
- Whole counties
County Schoolcraft County, MI
The radar
The Marquette radar (KMQT), 119 km from the middle of the area, began a volume at 23:45 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 16, 7:45 PM EDT | Hail 0.75 | Steuben, MI | Dime sized hail. |
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 nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.7 hours before the alert went out and 230 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
- 1549 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 116 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.
NWS Marquette, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 16, 4:25 PM EDT, 3 hours 17 minutes earlier.
Area forecast discussion, Jun 16, 4:25 PM EDT, 3 hours 17 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MARQUETTE MI 425 PM EDT SAT JUN 16 2001 MAIN FCST CONCERNS THIS PACKAGE ARE SHRA/TSRA CHANCES/COVERAGE. WV IMAGERY AND RUC ANALYSIS INDICATED RDG OVER NE CONUS AND STRONG MID LVL LO OVER NW ONTARIO. OTHERWISE...GENERALLY ZONAL FLOW PREVAILED FROM THE PAC NW INTO THE WRN GRT LAKES. UPR LVL DIV WITH LFQ OF 90 KNOT JET INTO SRN AND ASSOCIATED COMPACT VORT OVER CNTRL MN WITH -21C H5 COLD POOL WAS SUPPORTING TSRA DEVELOPMENT OVER NE MN WITH DPVA...QVECTOR CONV AND STEEPENING H7-H5 LAPSE RATES AOA 7C/KM. KDLH 88D SHOWED SCT COVERAGE OF SHRA/TSRA PROGRESSING QUICKLY FROM NW WI TO IWD INTO AREA WITH MLCAPES OF 500-1000 J/KG. IR/VIS LOOP INDICATED DEEPENING CU FIELD OVER MOST OF UPR MI WITH LK BREEZE BNDRY FROM KIWD TO L'ANSE AND OFF OF LK MI FROM GLADSTONE TO KERY. 950 WSW WINDS OF 15-20 KTS WERE ENOUGH TO KEEP BNDRY OFFSHORE MOST OF THE AFTERNOON NEAR MARQUETTE BUT HAVE SWITCHED ALONG SHORELINE AT 19Z...PER OB AT PRESQUE ISLE. MDL DIFFERENCES ARISE THROUGH 48 HRS...ESPECIALLY SUN NIGHT INTO MONDAY MAINLY WITH TIMING OF WEAK SHRTWVS AND ASSOCIATED CONVECTIVE PCPN INTRODUCING INCREASING UNCERTAINTY. WL...HOWEVER...SIDE CLOSER TO ETA WITH DETAILS. TONIGHT...EXPECT SCT TSRA TO CONTINUE TO DEVELOP/EXPAND OVER WEST/CNTRL UPR UPR MI AND EVENTUALLY INTO ERN PORTION OF CWA LATER THIS EVENING AS DPVA/QVECT CONV INCREASES AND MID LVL LAPSE RATES STEEPEN WITH APPROACH OF SHRTWV. THE KEWEENAW AND FAR SE UPR MI...STABILIZED BY LK AIR...SHOULD BE SPARED HOWEVER. WITH ONLY WEAK UNIDIRECTIONAL LLVL OR 0-6 KM SHEAR...STORMS HAVE BEEN MAINLY PULSE-LIKE AND DISORGANIZED. LOW WBZ NEAR 8K FT AND DRY PROFILE BLO LCL SHOULD BE CONDUCIVE TO HAIL NEAR SVR LIMITS AND LCL WIND GUSTS TO 50 MPH. CLOUDS SHOULD DISSIPATE AS SHRTWV MOVES OUT OVERNIGHT AND DIURNAL COOLING AND QDIV TAKE OVER. SUNDAY...WEAK SFC RDG AND 700-300 QDIV AND SUBSIDENCE NEAR RIGHT EXIT OF H3 JET WILL DOMINATE UPR MI. WEAKER WIND FIELD WILL ALLOW LK BREEZES TO DEVELOP. SLIGHTLY DRIER AIR FCST WITH DEWPOINTS MAINLY IN THE MID 40S F. H85 TEMPS NEAR 8C-11C SUGGEST INLAND READINGS IN THE UPPER 60S TO MID 70S F FROM NE TO SW. SUNDAY NIGHT...EXPECT MCS DEVELOPMENT OVER SRN MN AT NOSE OF 50 KT LLJ AND STRONG H8 THETAE ADVECTION. WHILE CONVECTION SHOULD PROPAGATE MAINLY EASTWARD THROUGH WI TOWARD LWR MI (PER 850-300 THICKNESS)...WL MENTION CHANCE POPS FOR UPR MI...HIGHEST SOUTH. MONDAY INTO EARLY TUESDAY...ANY LINGERING PCPN WITH MCS SHOULD EXIT SE PORTION OF UPR MI EARLY...LEAVING LULL IN PCPN TIL MAINLY LATE IN THE DAY WITH APPROACH OF SFC FRONT. WITH DIFFICULTY IN TIMING OF FRONT AND SUPPORTING SHRTWVS WL LEAVE POPS IN CHANCE CATEGORY. MDLS TREND HAS BEEN TOWARD A QUICKER MOVEMENT OF THE FRONT AND ASSOCIATED SHRTWV THROUGH THE WRN GRT LAKES. EXTENDED...WHILE MRF/ECWMF SUGGEST SHOW FRONT SAGGING SOUTH OF THE AREA AND NEXT SIGNIFICANT SHRTWV DIVING MAINLY SW OF UPR MI...12Z AVN AND TO A LESSER EXTENT THE 12Z UKMET SHOW ANOTHER MID LVL LO DROPPING INTO UPR MI WED/THURS WITH ATTENDANT SHRA/TSRA CHANCES. SO...WL LEAVE PCPN IN FOR WED AND RETAIN FOR THURSDAY WITH POTENTIAL FOR DIURNAL SHRA WITH COLD POOL ALOFT. WL KEEP TEMPS A BIT ABV GUIDANCE VALUES...MAINLY IN THE 60S F...PER MRF ENSEMBLE H85 PROG. MID LVL RDG BUILDS FROM PLAINS TOWARD HUDSON BAY WITH SFC RDGING OVER GRT LAKES FRI/SAT WITH DRY WX AND SEASONABLE TEMPS. .MQT...NONE. JLB
In the hours before
Local storm report, Jun 16, 7:16 PM EDT, 26 minutes before
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</html>The office that day
Everything else NWS Marquette, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 6:11 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson | 49 min |
| Jun 16, 7:18 PM EDT | Severe Thunderstorm Warning | MQT | Menominee | 27 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2001Every severe thunderstorm warning in 2001
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.